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Cisco IOS Software H.323 Denial of Service Vulnerabilities

Advisory ID: cisco-sa-20100922-h323

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20100922-h323

Revision 2.4

Last Updated  2012 September 21 19:12  UTC (GMT)

For Public Release 2010 September 22 16:00  UTC (GMT)


Summary

The H.323 implementation in Cisco IOS® Software contains two vulnerabilities that may be exploited remotely to cause a denial of service (DoS) condition on a device that is running a vulnerable version of Cisco IOS Software.

Cisco has released free software updates that address these vulnerabilities. There are no workarounds to mitigate these vulnerabilities other than disabling H.323 on the vulnerable device.

This advisory is posted at http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20100922-h323.

Note:  The September 22, 2010, Cisco IOS Software Security Advisory bundled publication includes six Cisco Security Advisories. Five of the advisories address vulnerabilities in Cisco IOS Software, and one advisory addresses vulnerabilities in Cisco Unified Communications Manager. Each advisory lists the releases that correct the vulnerability or vulnerabilities detailed in the advisory. The table at the following URL lists releases that correct all Cisco IOS Software vulnerabilities that have been published on September 22, 2010, or earlier:

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20100922-bundle

Individual publication links are in "Cisco Event Response: Semiannual Cisco IOS Software Security Advisory Bundled Publication" at the following link:

http://www.cisco.com/web/about/security/intelligence/Cisco_ERP_sep10.html

Affected Products

These vulnerabilities only affect devices that are running Cisco IOS Software with H.323 voice services enabled.

Vulnerable Products

Cisco devices that are running affected Cisco IOS Software versions that are configured to process H.323 messages are affected by these vulnerabilities. H.323 is not enabled by default.

To determine if the Cisco IOS Software device is running H.323 services, issue the show process cpu | include H323 command, as shown in this example:

Router# show process cpu | include H323
 249       16000           3       5333  0.00%  0.00%  0.00%   0 CCH323_CT
 250           0           1          0  0.00%  0.00%  0.00%   0 CCH323_DNS
Router# 

In the previous example the processes CCH323_CT and CCH323_DNS are running on the device; therefore, the device is listening to H.323 messages. The device is vulnerable if any of these processes (or similar) are active.

Note: Creating a dial peer by issuing the dial-peer voice command will start the H.323 processes, which causes the Cisco IOS device to process H.323 messages.

To determine the Cisco IOS Software release that is running on a Cisco product, administrators can log in to the device and issue the show version command to display the system banner. The system banner confirms that the device is running Cisco IOS Software by displaying text similar to "Cisco Internetwork Operating System Software" or "Cisco IOS Software." The image name displays in parentheses, followed by "Version" and the Cisco IOS Software release name. Other Cisco devices do not have the show version command or may provide different output.

The following example identifies a Cisco product that is running Cisco IOS Software Release 12.3(26) with an installed image name of C2500-IS-L:

Router# show version
Cisco Internetwork Operating System Software
IOS (tm) 2500 Software (C2500-IS-L), Version 12.3(26), RELEASE SOFTWARE (fc2)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2008 by cisco Systems, Inc.
Compiled Mon 17-Mar-08 14:39 by dchih


!--- output truncated

The following example identifies a Cisco product that is running Cisco IOS Software Release 12.4(20)T with an installed image name of C1841-ADVENTERPRISEK9-M:

Router# show version
Cisco IOS Software, 1841 Software (C1841-ADVENTERPRISEK9-M), Version 12.4(20)T,
    RELEASE SOFTWARE (fc3)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2008 by Cisco Systems, Inc.
Compiled Thu 10-Jul-08 20:25 by prod_rel_team


!--- output truncated

Additional information about Cisco IOS Software release naming conventions is available in "White Paper: Cisco IOS Reference Guide" at the following link: http://www.cisco.com/web/about/security/intelligence/ios-ref.html

Products Confirmed Not Vulnerable

Cisco IOS XR Software is not affected by these vulnerabilities.

No other Cisco products are currently known to be affected by these vulnerabilities.

Details

H.323 is the International Telecommunication Union (ITU) standard for real-time multimedia communications and conferencing over packet-based (IP) networks. A subset of the H.323 standard is H.225.0, a standard that is used for call signaling protocols and media stream packetization over IP networks.

The H.323 implementation in Cisco IOS Software contains two DoS vulnerabilities. An attacker can exploit these vulnerabilities remotely by sending crafted H.323 packets to an affected device that is running Cisco IOS Software. A TCP three-way handshake is required to exploit these vulnerabilities.

These vulnerabilities are documented in Cisco Bug IDs CSCtc73759 ( registered customers only) and CSCtd33567 ( registered customers only) , and have been assigned Common Vulnerabilities and Exposures (CVE) IDs CVE-2010-2828 and CVE-2010-2829, respectively.

Vulnerability Scoring Details

Cisco has provided scores for the vulnerabilities in this advisory based on the Common Vulnerability Scoring System (CVSS). The CVSS scoring in this Security Advisory is done in accordance with CVSS version 2.0.

CVSS is a standards-based scoring method that conveys vulnerability severity and helps determine urgency and priority of response.

Cisco has provided a base and temporal score. Customers can then compute environmental scores to assist in determining the impact of the vulnerability in individual networks.

Cisco has provided an FAQ to answer additional questions regarding CVSS at

http://www.cisco.com/web/about/security/intelligence/cvss-qandas.html .

Cisco has also provided a CVSS calculator to help compute the environmental impact for individual networks at

http://intellishield.cisco.com/security/alertmanager/cvss .

CSCtc73759 - Device crashing upon receipt of specific traffic

Calculate the environmental score of CSCtc73759

CVSS Base Score - 7.8

Access Vector

Access Complexity

Authentication

Confidentiality Impact

Integrity Impact

Availability Impact

Network

Low

None

None

None

Complete

CVSS Temporal Score - 6.4

Exploitability

Remediation Level

Report Confidence

Functional

Official-Fix

Confirmed

CSCtd33567 - Traceback seen when receiving crafted H.323 packets

Calculate the environmental score of CSCtd33567

CVSS Base Score - 7.8

Access Vector

Access Complexity

Authentication

Confidentiality Impact

Integrity Impact

Availability Impact

Network

Low

None

None

None

Complete

CVSS Temporal Score - 6.4

Exploitability

Remediation Level

Report Confidence

Functional

Official-Fix

Confirmed

Impact

Successful exploitation of the vulnerabilities described in this advisory may cause the affected device to reload. Theses vulnerabilities could be exploited repeatedly to cause an extended DoS condition.

Software Versions and Fixes

When considering software upgrades, also consult http://www.cisco.com/go/psirt and any subsequent advisories to determine exposure and a complete upgrade solution.

In all cases, customers should exercise caution to be certain the devices to be upgraded contain sufficient memory and that current hardware and software configurations will continue to be supported properly by the new release. If the information is not clear, contact the Cisco Technical Assistance Center (TAC) or your contracted maintenance provider for assistance.

Each row of the following Cisco IOS Software table corresponds to a Cisco IOS Software train. If a particular train is vulnerable, the earliest releases that contain the fix are listed in the First Fixed Release For This Advisory column. The First Fixed Release for All Advisories in the September 2010 Bundle Publication column lists the earliest possible releases that correct all the published vulnerabilities in the Cisco IOS Software Security Advisory bundled publication. Cisco recommends upgrading to the latest available release, where possible.

Major Release

     Availability of Repaired Releases

Affected 12.0-Based Releases

First Fixed Release for This Advisory

First Fixed Release for All Advisories in the September 2010 Bundle Publication

There are no affected 12.0-based releases

Affected 12.1-Based Releases

First Fixed Release for This Advisory

First Fixed Release for All Advisories in the September 2010 Bundle Publication

12.1

Not Vulnerable

Vulnerable; first fixed in 12.4T

Releases up to and including 12.1(4b) are not vulnerable.

12.1AA

Not Vulnerable

Not Vulnerable

12.1AX

Not Vulnerable

Not Vulnerable

12.1AY

Not Vulnerable

Not Vulnerable

12.1AZ

Not Vulnerable

Not Vulnerable

12.1CX

Not Vulnerable

Not Vulnerable

12.1DA

Not Vulnerable

Not Vulnerable

12.1DB

Not Vulnerable

Not Vulnerable

12.1DC

Not Vulnerable

Not Vulnerable

12.1E

Not Vulnerable

Not Vulnerable

12.1EA

Not Vulnerable

Not Vulnerable

12.1EB

Not Vulnerable

Not Vulnerable

12.1EC

Not Vulnerable

Not Vulnerable

12.1EO

Not Vulnerable

Not Vulnerable

12.1EU

Not Vulnerable

Not Vulnerable

12.1EV

Not Vulnerable

Not Vulnerable

12.1EW

Not Vulnerable

Not Vulnerable

12.1EX

Not Vulnerable

Not Vulnerable

12.1EY

Not Vulnerable

Not Vulnerable

12.1EZ

Not Vulnerable

Not Vulnerable

12.1GA

Not Vulnerable

Not Vulnerable

12.1GB

Not Vulnerable

Not Vulnerable

12.1T

Vulnerable; first fixed in 12.4

Releases up to and including 12.1(3a)T8 are not vulnerable.

Vulnerable; first fixed in 12.4T

Releases up to and including 12.1(3a)T8 are not vulnerable.

12.1XA

Not Vulnerable

Not Vulnerable

12.1XB

Not Vulnerable

Not Vulnerable

12.1XC

Not Vulnerable

Not Vulnerable

12.1XD

Not Vulnerable

Not Vulnerable

12.1XE

Not Vulnerable

Not Vulnerable

12.1XF

Not Vulnerable

Not Vulnerable

12.1XG

Not Vulnerable

Not Vulnerable

12.1XH

Not Vulnerable

Not Vulnerable

12.1XI

Vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.1XJ

Vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.1XL

Vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.1XM

Vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.1XP

Vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.1XQ

Vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.1XR

Vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.1XS

Vulnerable; first fixed in 12.4

Releases up to and including 12.1(3)XS are not vulnerable.

Vulnerable; first fixed in 12.4T

Releases up to and including 12.1(3)XS are not vulnerable.

12.1XT

Vulnerable; first fixed in 12.4

Releases up to and including 12.1(2)XT2 are not vulnerable.

Vulnerable; first fixed in 12.4T

Releases up to and including 12.1(2)XT2 are not vulnerable.

12.1XU

Vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.1XV

Vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.1XW

Not Vulnerable

Not Vulnerable

12.1XX

Not Vulnerable

Not Vulnerable

12.1XY

Vulnerable; first fixed in 12.4

Releases up to and including 12.1(4)XY are not vulnerable.

Vulnerable; first fixed in 12.4T

Releases up to and including 12.1(4)XY are not vulnerable.

12.1XZ

Not Vulnerable

Not Vulnerable

12.1YA

Vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.1YB

Vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.1YC

Vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.1YD

Vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.1YE

Releases prior to 12.1(5)YE6 are vulnerable, release 12.1(5)YE6 and later are not vulnerable; first fixed in 12.4

Releases prior to 12.1(5)YE6 are vulnerable, release 12.1(5)YE6 and later are not vulnerable; first fixed in 12.4T

12.1YF

Vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.1YH

Vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.1YI

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

12.1YJ

Not Vulnerable

Not Vulnerable

Affected 12.2-Based Releases

First Fixed Release for This Advisory

First Fixed Release for All Advisories in the September 2010 Bundle Publication

12.2

Vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.2B

Vulnerable; first fixed in 12.4

Releases up to and including 12.2(2)B7 are not vulnerable.

Vulnerable; first fixed in 12.4T

Releases up to and including 12.2(2)B7 are not vulnerable.

12.2BC

Not Vulnerable

Not Vulnerable

12.2BW

Vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.2BX

Vulnerable; first fixed in 12.2SB

Releases up to and including 12.2(15)BX are not vulnerable.

Vulnerable; first fixed in 12.2SB

Releases up to and including 12.2(15)BX are not vulnerable.

12.2BY

Vulnerable; first fixed in 12.4

Releases up to and including 12.2(2)BY3 are not vulnerable.

Vulnerable; first fixed in 12.4T

Releases up to and including 12.2(2)BY3 are not vulnerable.

12.2BZ

Not Vulnerable

Not Vulnerable

12.2CX

Not Vulnerable

Not Vulnerable

12.2CY

Not Vulnerable

Not Vulnerable

12.2CZ

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

12.2DA

Not Vulnerable

Not Vulnerable

12.2DD

Vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.2DX

Vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.2EW

Not Vulnerable

Not Vulnerable

12.2EWA

Not Vulnerable

Not Vulnerable

12.2EX

Vulnerable; migrate to any release in 12.2SE

Not Vulnerable

12.2EY

Not Vulnerable

Not Vulnerable

12.2EZ

Not Vulnerable

Not Vulnerable

12.2FX

Not Vulnerable

Not Vulnerable

12.2FY

Not Vulnerable

Not Vulnerable

12.2FZ

Not Vulnerable

Not Vulnerable

12.2IRA

Not Vulnerable

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

12.2IRB

Not Vulnerable

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

12.2IRC

Not Vulnerable

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

12.2IRD

Not Vulnerable

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

12.2IRE

Not Vulnerable

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

12.2IXA

Not Vulnerable

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

12.2IXB

Not Vulnerable

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

12.2IXC

Not Vulnerable

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

12.2IXD

Not Vulnerable

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

12.2IXE

Not Vulnerable

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

12.2IXF

Not Vulnerable

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

12.2IXG

Not Vulnerable

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

12.2IXH

Not Vulnerable

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

12.2JA

Not Vulnerable

Not Vulnerable

12.2JK

Not Vulnerable

Not Vulnerable

12.2MB

Not Vulnerable

Not Vulnerable

12.2MC

Releases up to and including 12.2(15)MC1 are not vulnerable.

Releases 12.2(15)MC2b and later are not vulnerable; first fixed in 12.4

Releases up to and including 12.2(15)MC1 are not vulnerable. Releases 12.2(15)MC2b and later are not vulnerable; first fixed in 12.4T

12.2MRA

Not Vulnerable

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

12.2MRB

Not Vulnerable

12.2(33)MRB2

12.2S

Releases prior to 12.2(30)S are vulnerable, release 12.2(30)S and later are not vulnerable

Releases prior to 12.2(30)S are vulnerable, release 12.2(30)S and later are not vulnerable

12.2SB

12.2(31)SB19

Releases prior to 12.2(33)SB5 are vulnerable, release 12.2(33)SB5 and later are not vulnerable

12.2(31)SB19

Releases prior to 12.2(33)SB5 are vulnerable, release 12.2(33)SB5 and later are not vulnerable

12.2SBC

Vulnerable; first fixed in 12.2SB

Vulnerable; first fixed in 12.2SB

12.2SCA

Vulnerable; first fixed in 12.2SCB

Vulnerable; first fixed in 12.2SCB

12.2SCB

12.2(33)SCB10

12.2(33)SCB9

12.2(33)SCB8

12.2(33)SCB9

12.2SCC

12.2(33)SCC5

12.2(33)SCC4

12.2(33)SCC5

12.2SCD

12.2(33)SCD3

12.2(33)SCD4

12.2(33)SCD3

12.2SE

Not Vulnerable

Not Vulnerable

12.2SEA

Not Vulnerable

Not Vulnerable

12.2SEB

Not Vulnerable

Not Vulnerable

12.2SEC

Not Vulnerable

Not Vulnerable

12.2SED

Not Vulnerable

Not Vulnerable

12.2SEE

Not Vulnerable

Not Vulnerable

12.2SEF

Not Vulnerable

Not Vulnerable

12.2SEG

Not Vulnerable

Not Vulnerable

12.2SG

Releases prior to 12.2(40)SG are vulnerable, release 12.2(40)SG and later are not vulnerable; migrate to any release in 12.2SGA

Releases prior to 12.2(40)SG are vulnerable, release 12.2(40)SG and later are not vulnerable; migrate to any release in 12.2SGA

12.2SGA

Not Vulnerable

Not Vulnerable

12.2SL

Not Vulnerable

Not Vulnerable

12.2SM

Not Vulnerable

Not Vulnerable

12.2SO

Not Vulnerable

Not Vulnerable

12.2SQ

Not Vulnerable

Not Vulnerable

12.2SRA

Releases prior to 12.2(33)SRA6 are vulnerable, release 12.2(33)SRA6 and later are not vulnerable

Releases prior to 12.2(33)SRA6 are vulnerable, release 12.2(33)SRA6 and later are not vulnerable

12.2SRB

Releases prior to 12.2(33)SRB1 are vulnerable, release 12.2(33)SRB1 and later are not vulnerable

Releases prior to 12.2(33)SRB1 are vulnerable, release 12.2(33)SRB1 and later are not vulnerable

12.2SRC

Vulnerable; first fixed in 12.2SRE

Not Vulnerable

12.2SRD

Vulnerable; first fixed in 12.2SRE

Not Vulnerable

12.2SRE

12.2(33)SRE1

12.2(33)SRE1

12.2STE

Not Vulnerable

Not Vulnerable

12.2SU

Vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.2SV

Releases prior to 12.2(29b)SV1 are vulnerable, release 12.2(29b)SV1 and later are not vulnerable; migrate to any release in 12.2SVD

Releases prior to 12.2(29b)SV1 are vulnerable, release 12.2(29b)SV1 and later are not vulnerable; migrate to any release in 12.2SVD

12.2SVA

Not Vulnerable

Not Vulnerable

12.2SVC

Not Vulnerable

Not Vulnerable

12.2SVD

Not Vulnerable

Not Vulnerable

12.2SVE

Not Vulnerable

Not Vulnerable

12.2SW

Releases up to and including 12.2(21)SW1 are not vulnerable.

Releases 12.2(25)SW12 and later are not vulnerable; first fixed in 12.4T

Releases up to and including 12.2(21)SW1 are not vulnerable. Releases 12.2(25)SW12 and later are not vulnerable; first fixed in 12.4T

12.2SX

Not Vulnerable

Releases up to and including 12.2(14)SX2 are not vulnerable.

12.2SXA

Releases prior to 12.2(17b)SXA2 are vulnerable, release 12.2(17b)SXA2 and later are not vulnerable

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

12.2SXB

Releases prior to 12.2(17d)SXB7 are vulnerable, release 12.2(17d)SXB7 and later are not vulnerable; migrate to any release in 12.2SXE

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

12.2SXD

Releases prior to 12.2(18)SXD2 are vulnerable, release 12.2(18)SXD2 and later are not vulnerable

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

12.2SXE

Not Vulnerable

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

12.2SXF

Only 12.2(18)SXF7 and 12.2(18)SXF8 are vulnerable

Releases prior to 12.2(18)SXF11 are vulnerable, release 12.2(18)SXF11 and later are not vulnerable

12.2SXH

Not Vulnerable

Not Vulnerable

12.2SXI

Not Vulnerable

Not Vulnerable

12.2SY

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

Not Vulnerable

12.2SZ

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

12.2T

Vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.2TPC

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

12.2XA

Vulnerable; first fixed in 12.4

Releases up to and including 12.2(1)XA are not vulnerable.

Vulnerable; first fixed in 12.4T

12.2XB

Vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.2XC

Vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.2XD

Vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.2XE

Not Vulnerable

Not Vulnerable

12.2XF

Not Vulnerable

Not Vulnerable

12.2XG

Vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.2XH

Vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.2XI

Vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.2XJ

Vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.2XK

Vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.2XL

Vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.2XM

Vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.2XN

Releases prior to 12.2(33)XN1 are vulnerable, release 12.2(33)XN1 and later are not vulnerable; first fixed in 12.2SB

Vulnerable; first fixed in 12.2SB

12.2XNA

Please see Cisco IOS-XE Software Availability

Please see Cisco IOS-XE Software Availability

12.2XNB

Please see Cisco IOS-XE Software Availability

Please see Cisco IOS-XE Software Availability

12.2XNC

Please see Cisco IOS-XE Software Availability

Please see Cisco IOS-XE Software Availability

12.2XND

Please see Cisco IOS-XE Software Availability

Please see Cisco IOS-XE Software Availability

12.2XNE

Please see Cisco IOS-XE Software Availability

Please see Cisco IOS-XE Software Availability

12.2XNF

Please see Cisco IOS-XE Software Availability

Please see Cisco IOS-XE Software Availability

12.2XO

Not Vulnerable

Not Vulnerable

12.2XQ

Vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.2XR

Not Vulnerable

Not Vulnerable

12.2XS

Vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.2XT

Vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.2XU

Vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.2XV

Vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.2XW

Vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.2YA

Vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.2YB

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

12.2YC

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

12.2YD

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

12.2YE

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

12.2YF

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

12.2YG

Not Vulnerable

Not Vulnerable

12.2YH

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

12.2YJ

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

12.2YK

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

12.2YL

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

12.2YM

Vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.2YN

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

12.2YO

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

Not Vulnerable

12.2YP

Not Vulnerable

Not Vulnerable

12.2YQ

Not Vulnerable

Not Vulnerable

12.2YR

Not Vulnerable

Not Vulnerable

12.2YS

Not Vulnerable

Not Vulnerable

12.2YT

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

12.2YU

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

12.2YV

Releases prior to 12.2(11)YV1 are vulnerable, release 12.2(11)YV1 and later are not vulnerable

Releases prior to 12.2(11)YV1 are vulnerable, release 12.2(11)YV1 and later are not vulnerable

12.2YW

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

12.2YX

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

12.2YY

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

12.2YZ

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

12.2ZA

Not Vulnerable

Not Vulnerable

12.2ZB

Releases up to and including 12.2(8)ZB are not vulnerable.

Releases up to and including 12.2(8)ZB are not vulnerable.

12.2ZC

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

12.2ZD

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

12.2ZE

Vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.2ZF

Vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.2ZG

Not Vulnerable

Not Vulnerable

12.2ZH

Vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.2ZJ

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

12.2ZL

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

12.2ZP

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

12.2ZU

Vulnerable; migrate to any release in 12.2SXH

Releases up to and including 12.2(18)ZU are not vulnerable.

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

12.2ZX

Not Vulnerable

Not Vulnerable

12.2ZY

Not Vulnerable

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

12.2ZYA

Not Vulnerable

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

Affected 12.3-Based Releases

First Fixed Release for This Advisory

First Fixed Release for All Advisories in the September 2010 Bundle Publication

12.3

Vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.3B

Vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.3BC

Not Vulnerable

Not Vulnerable

12.3BW

Not Vulnerable

Not Vulnerable

12.3EU

Not Vulnerable

Not Vulnerable

12.3JA

Not Vulnerable

Not Vulnerable

12.3JEA

Not Vulnerable

Not Vulnerable

12.3JEB

Not Vulnerable

Not Vulnerable

12.3JEC

Not Vulnerable

Not Vulnerable

12.3JED

Not Vulnerable

Not Vulnerable

12.3JK

Releases up to and including 12.3(2)JK3 are not vulnerable.

Releases 12.3(8)JK1 and later are not vulnerable; first fixed in 12.4

Releases up to and including 12.3(2)JK3 are not vulnerable. Releases 12.3(8)JK1 and later are not vulnerable; first fixed in 12.4T

12.3JL

Not Vulnerable

Not Vulnerable

12.3JX

Not Vulnerable

Not Vulnerable

12.3T

Vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.3TPC

Releases up to and including 12.3(4)TPC11a are not vulnerable.

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

12.3VA

Vulnerable; first fixed in 12.4T

Vulnerable; first fixed in 12.4T

12.3XA

Releases prior to 12.3(2)XA7 are vulnerable, release 12.3(2)XA7 and later are not vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.3XB

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

12.3XC

Vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.3XD

Vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.3XE

Vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.3XF

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

12.3XG

Vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.3XI

Releases prior to 12.3(7)XI11 are vulnerable, release 12.3(7)XI11 and later are not vulnerable; first fixed in 12.2SB

Releases prior to 12.3(7)XI11 are vulnerable, release 12.3(7)XI11 and later are not vulnerable; first fixed in 12.2SB

12.3XJ

Vulnerable; first fixed in 12.3YX

Vulnerable; first fixed in 12.4XR

12.3XK

Vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.3XL

Vulnerable; first fixed in 12.4T

Vulnerable; first fixed in 12.4T

12.3XQ

Vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.3XR

Vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.3XS

Not Vulnerable

Vulnerable; first fixed in 12.4T

12.3XU

Vulnerable; first fixed in 12.4T

Releases up to and including 12.3(8)XU1 are not vulnerable.

Vulnerable; first fixed in 12.4T

12.3XW

Vulnerable; first fixed in 12.3YX

Vulnerable; first fixed in 12.4T

12.3XX

Vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.3XY

Vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.3XZ

Vulnerable; first fixed in 12.4

Vulnerable; first fixed in 12.4T

12.3YA

Not Vulnerable

Vulnerable; first fixed in 12.4T

12.3YD

Not Vulnerable

Vulnerable; first fixed in 12.4T

12.3YF

Vulnerable; first fixed in 12.3YX

Vulnerable; first fixed in 12.4XR

12.3YG

Vulnerable; first fixed in 12.4T

Vulnerable; first fixed in 12.4T

12.3YH

Not Vulnerable

Vulnerable; first fixed in 12.4T

12.3YI

Not Vulnerable

Vulnerable; first fixed in 12.4T

12.3YJ

Not Vulnerable

Vulnerable; first fixed in 12.4T

12.3YK

Releases prior to 12.3(11)YK3 are vulnerable, release 12.3(11)YK3 and later are not vulnerable; first fixed in 12.4T

Vulnerable; first fixed in 12.4T

12.3YM

Vulnerable; first fixed in 12.4T

Vulnerable; first fixed in 12.4T

12.3YQ

Vulnerable; first fixed in 12.4T

Vulnerable; first fixed in 12.4T

12.3YS

Vulnerable; first fixed in 12.4T

Releases up to and including 12.3(11)YS1 are not vulnerable.

Vulnerable; first fixed in 12.4T

12.3YT

Vulnerable; first fixed in 12.4T

Vulnerable; first fixed in 12.4T

12.3YU

Vulnerable; first fixed in 12.4T

Vulnerable; first fixed in 12.4T

12.3YX

12.3(14)YX17

Vulnerable; first fixed in 12.4XR

12.3YZ

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

12.3ZA

Vulnerable; first fixed in 12.4T

Vulnerable; first fixed in 12.4T

Affected 12.4-Based Releases

First Fixed Release for This Advisory

First Fixed Release for All Advisories in the September 2010 Bundle Publication

12.4

12.4(25d)

12.4(25d)

12.4GC

12.4(24)GC2

12.4(24)GC2

12.4JA

Not Vulnerable

Not Vulnerable

12.4JDA

Not Vulnerable

Not Vulnerable

12.4JDC

Not Vulnerable

Not Vulnerable

12.4JDD

Not Vulnerable

Not Vulnerable

12.4JHA

Not Vulnerable

Not Vulnerable

12.4JHB

Not Vulnerable

Not Vulnerable

12.4JK

Not Vulnerable

Not Vulnerable

12.4JL

Not Vulnerable

Not Vulnerable

12.4JMA

Not Vulnerable

Not Vulnerable

12.4JMB

Not Vulnerable

Not Vulnerable

12.4JX

Not Vulnerable

Not Vulnerable

12.4JY

Not Vulnerable

Not Vulnerable

12.4MD

Not Vulnerable

12.4(24)MD2

12.4MDA

12.4(22)MDA4

12.4(22)MDA4

12.4MR

Vulnerable; first fixed in 12.4MRA

Vulnerable; first fixed in 12.4MRA

12.4MRA

12.4(20)MRA1

12.4(20)MRA1

12.4SW

Releases prior to 12.4(15)SW6 are vulnerable, release 12.4(15)SW6 and later are not vulnerable; first fixed in 12.4T

Vulnerable; first fixed in 12.4T

12.4T

12.4(15)T14

12.4(20)T6

12.4(24)T4

12.4(15)T14

12.4(20)T6

12.4(24)T4

12.4XA

Vulnerable; first fixed in 12.4T

Vulnerable; first fixed in 12.4T

12.4XB

Vulnerable; first fixed in 12.4T

Vulnerable; first fixed in 12.4T

12.4XC

Vulnerable; first fixed in 12.4T

Vulnerable; first fixed in 12.4T

12.4XD

Vulnerable; first fixed in 12.4T

Vulnerable; first fixed in 12.4T

12.4XE

Releases prior to 12.4(6)XE5 are vulnerable, release 12.4(6)XE5 and later are not vulnerable; first fixed in 12.4T

Releases prior to 12.4(6)XE5 are vulnerable, release 12.4(6)XE5 and later are not vulnerable; first fixed in 12.4T

12.4XF

Vulnerable; first fixed in 12.4T

Vulnerable; first fixed in 12.4T

12.4XG

Releases prior to 12.4(9)XG5 are vulnerable, release 12.4(9)XG5 and later are not vulnerable; first fixed in 12.4T

Vulnerable; first fixed in 12.4T

12.4XJ

Vulnerable; first fixed in 12.4T

Vulnerable; first fixed in 12.4T

12.4XK

Vulnerable; first fixed in 12.4T

Vulnerable; first fixed in 12.4T

12.4XL

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

12.4XM

Releases prior to 12.4(15)XM3 are vulnerable, release 12.4(15)XM3 and later are not vulnerable; first fixed in 12.4T

Vulnerable; first fixed in 12.4T

12.4XN

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

12.4XP

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

12.4XQ

Releases up to and including 12.4(15)XQ are not vulnerable.

Releases 12.4(15)XQ6 and later are not vulnerable; first fixed in 12.4T

12.4(15)XQ6; Available on 22-SEP-10

12.4XR

Not Vulnerable

12.4(15)XR9

12.4(22)XR7

12.4XT

Vulnerable; first fixed in 12.4T

Vulnerable; first fixed in 12.4T

12.4XV

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

12.4XW

Vulnerable; first fixed in 12.4T

Vulnerable; first fixed in 12.4T

12.4XY

Vulnerable; first fixed in 12.4T

Vulnerable; first fixed in 12.4T

12.4XZ

Vulnerable; first fixed in 12.4T

Vulnerable; first fixed in 12.4T

12.4YA

Vulnerable; first fixed in 12.4T

Vulnerable; first fixed in 12.4T

12.4YB

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

12.4YD

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

Vulnerable; Contact your support organization per the instructions in Obtaining Fixed Software section of this advisory

12.4YE

Releases prior to 12.4(24)YE1 are vulnerable, release 12.4(24)YE1 and later are not vulnerable; first fixed in 12.4T

12.4(24)YE1

12.4YG

12.4(24)YG3

12.4(24)YG3

Affected 15.0-Based Releases

First Fixed Release for This Advisory

First Fixed Release for All Advisories in the September 2010 Bundle Publication

15.0M

15.0(1)M3

15.0(1)M3

15.0S

Cisco 7600 and 10000 Series routers: Not Vulnerable

Cisco ASR 1000 Series routes: Please see Cisco IOS-XE Software Availability

Cisco 7600 and 10000 Series routers: 15.0(1)S1 (available early October 2010)

Cisco ASR 1000 Series routes: Please see Cisco IOS-XE Software Availability

15.0XA

Vulnerable; first fixed in 15.1T

Vulnerable; first fixed in 15.1T

15.0XO

Not Vulnerable

Not Vulnerable

Affected 15.1-Based Releases

First Fixed Release for This Advisory

First Fixed Release for All Advisories in the September 2010 Bundle Publication

15.1T

15.1(1)T1

15.1(2)T0a

15.1(2)T1

15.1XB

Vulnerable; first fixed in 15.1T

Vulnerable; first fixed in 15.1T

Cisco IOS XE Software

Cisco IOS XE Release

First Fixed Release for This Advisory

First Fixed Release for All Advisories in the September 2010 Bundle Publication

2.1.x

Not Vulnerable

Not Vulnerable

2.2.x

Not Vulnerable

Not Vulnerable

2.3.x

Not Vulnerable

Not Vulnerable

2.4.x

Not Vulnerable

Not Vulnerable

2.5.x

2.5.2

Vulnerable; migrate to 2.6.2 or later

2.6.x

2.6.1

2.6.2

3.1.xS

Not Vulnerable

Not Vulnerable

For mapping of Cisco IOS XE to Cisco IOS releases, please refer to the Cisco IOS XE 2 and Cisco IOS XE 3S Release Notes.

Workarounds

There are no workarounds to mitigate these vulnerabilities apart from disabling H.323 if the Cisco IOS device does not require it. Applying access lists on interfaces that should not accept H.323 traffic and placing firewalls in strategic locations may greatly reduce exposure until an upgrade can be performed.

Cisco provides Solution Reference Network Design (SRND) guides to help design and deploy networking solutions, which can be found at http://www.cisco.com/go/srnd Voice Security best practices are covered in the Cisco Unified Communications SRND Based on Cisco Unified Communications Manager 6.x at http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/srnd/6x/security.html.

To disable all H.323 call processing, administrators can issue the call service stop forced command under the voice service voip mode, as shown in this example:

voice service voip
 h323
  call service stop forced

Note: The call service stop forced command disables all H.323 call processing.

Additional mitigations that can be deployed on Cisco devices within the network are available in the companion document "Cisco Applied Mitigation Bulletin: Identifying and Mitigating Exploitation of the Multiple Vulnerabilities in Cisco Voice Products", which is available at the following location: http://tools.cisco.com/security/center/content/CiscoAppliedMitigationBulletin/cisco-amb-20100922-voice

Obtaining Fixed Software

Cisco has released free software updates that address these vulnerabilities. Prior to deploying software, customers should consult their maintenance provider or check the software for feature set compatibility and known issues specific to their environment.

Customers may only install and expect support for the feature sets they have purchased. By installing, downloading, accessing or otherwise using such software upgrades, customers agree to be bound by the terms of Cisco's software license terms found at http://www.cisco.com/en/US/docs/general/warranty/English/EU1KEN_.html , or as otherwise set forth at Cisco.com Downloads at http://www.cisco.com/public/sw-center/sw-usingswc.shtml .

Do not contact psirt@cisco.com or security-alert@cisco.com for software upgrades.

Customers with Service Contracts

Customers with contracts should obtain upgraded software through their regular update channels. For most customers, this means that upgrades should be obtained through the Software Center on Cisco's worldwide website at http://www.cisco.com.

Customers with Service Contracts

Customers with contracts should obtain upgraded software through their regular update channels. For most customers, this means that upgrades should be obtained through the Software Center on Cisco's worldwide website at http://www.cisco.com.

Customers using Third Party Support Organizations

Customers whose Cisco products are provided or maintained through prior or existing agreements with third-party support organizations, such as Cisco Partners, authorized resellers, or service providers should contact that support organization for guidance and assistance with the appropriate course of action in regards to this advisory.

The effectiveness of any workaround or fix is dependent on specific customer situations, such as product mix, network topology, traffic behavior, and organizational mission. Due to the variety of affected products and releases, customers should consult with their service provider or support organization to ensure any applied workaround or fix is the most appropriate for use in the intended network before it is deployed.

Customers without Service Contracts

Customers who purchase direct from Cisco but do not hold a Cisco service contract, and customers who purchase through third-party vendors but are unsuccessful in obtaining fixed software through their point of sale should acquire upgrades by contacting the Cisco Technical Assistance Center (TAC). TAC contacts are as follows.

  • +1 800 553 2447 (toll free from within North America)
  • +1 408 526 7209 (toll call from anywhere in the world)
  • e-mail: tac@cisco.com

Customers should have their product serial number available and be prepared to give the URL of this notice as evidence of entitlement to a free upgrade. Free upgrades for non-contract customers must be requested through the TAC.

Refer to http://www.cisco.com/en/US/support/tsd_cisco_worldwide_contacts.html for additional TAC contact information, including localized telephone numbers, and instructions and e-mail addresses for use in various languages.

Exploitation and Public Announcements

The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerabilities described in this advisory.

The vulnerability tracked by CSCtd33567 was found during internal testing. The vulnerability tracked by CSCtc73759 was found during the resolution of a customer service request.

Status of this Notice: Final

THIS DOCUMENT IS PROVIDED ON AN "AS IS" BASIS AND DOES NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE INFORMATION ON THE DOCUMENT OR MATERIALS LINKED FROM THE DOCUMENT IS AT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE THIS DOCUMENT AT ANY TIME.

A stand-alone copy or Paraphrase of the text of this document that omits the distribution URL in the following section is an uncontrolled copy, and may lack important information or contain factual errors.


Distribution

This advisory is posted on Cisco's worldwide website at :

http://www.cisco.com/warp/public/707/cisco-sa-2010922-h323.shtml

In addition to worldwide web posting, a text version of this notice is clear-signed with the Cisco PSIRT PGP key and is posted to the following e-mail and Usenet news recipients.

  • cust-security-announce@cisco.com
  • first-bulletins@lists.first.org
  • bugtraq@securityfocus.com
  • vulnwatch@vulnwatch.org
  • cisco@spot.colorado.edu
  • cisco-nsp@puck.nether.net
  • full-disclosure@lists.grok.org.uk
  • comp.dcom.sys.cisco@newsgate.cisco.com

Future updates of this advisory, if any, will be placed on Cisco's worldwide website, but may or may not be actively announced on mailing lists or newsgroups. Users concerned about this problem are encouraged to check the above URL for any updates.


Revision History

Revision 1.2

2011-March-10

Revised Software Versions and Fixes to indicate that 12.2SRE is first fixed in 12.2(33)SRE1, that 12.2SRD is vulnerable and first fixed in 12.2SRE, and that 12.2SRC is vulnerable and first fixed in 12.2SRE.

Revision 1.1

2010-September-23

Revised the Exploitation and Public Announcements section to indicate that one vulnerability was discovered during work on a customer service request.

Revision 1.0

2010-September-22

Initial public release.

Cisco Security Procedures

Complete information on reporting security vulnerabilities in Cisco products, obtaining assistance with security incidents, and registering to receive security information from Cisco, is available on Cisco's worldwide website at http://www.cisco.com/web/about/security/psirt/security_vulnerability_policy.html. This includes instructions for press inquiries regarding Cisco security notices. All Cisco security advisories are available at http://www.cisco.com/go/psirt.