Cisco Security Advisory
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AV:N/AC:L/Au:N/C:N/I:C/A:N/E:F/RL:OF/RC:C
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Cisco Integrated Management Controller (IMC) Supervisor and Cisco UCS Director contain a remote file overwrite vulnerability that could allow an unauthenticated, remote attacker to overwrite arbitrary system files, resulting in system instability or a denial of service (DoS) condition.
Cisco has released software updates that address this vulnerability.
Workarounds that mitigate this vulnerability are not available.
This advisory is available at the following link:
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20150902-cimcs
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Vulnerable Products
This vulnerability affects the following two Cisco products:
- Cisco IMC Supervisor prior to software version 1.0.0.1
- Cisco UCS Director (formally known as Cloupia Unified Infrastructure Controller) prior to software version 5.2.0.1
Products Confirmed Not Vulnerable
No other Cisco products are currently known to be affected by this vulnerability.
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A vulnerability in JavaServer Pages (JSP) input validation routines of the Cisco IMC Supervisor and Cisco UCS Director could allow an unauthenticated, remote attacker to overwrite arbitrary files on the system.
The vulnerability is due to incomplete input sanitization on specific JSP pages. An attacker could exploit this vulnerability by sending crafted HTTP requests to the affected system. An exploit could allow the attacker to overwrite arbitrary system files resulting in system instability.
Systems running default configurations are affected.
This vulnerability is documented in Cisco bug ID CSCus36435 (registered customers only) for the Cisco IMC Supervisor and Cisco bug ID CSCus62625 (registered customers only) for the Cisco UCS Director and has been assigned Common Vulnerabilities and Exposures (CVE) ID CVE-2015-6259.
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There are no workarounds.
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When considering software upgrades, customers are advised to consult the Cisco Security Advisories, Responses, and Alerts archive at http://www.cisco.com/go/psirt and review subsequent advisories to determine exposure and a complete upgrade solution.
In all cases, customers should ensure that the devices to be upgraded contain sufficient memory and confirm that current hardware and software configurations will continue to be supported properly by the new release. If the information is not clear, customers are advised to contact the Cisco Technical Assistance Center (TAC) or their contracted maintenance providers.
Cisco IMC Supervisor
All versions prior to software version 1.0.0.1 are affected.
Customers running software version 1.0.0.0 should apply the 1.0.0.1 or later patch to their systems. The patch is available for download from the Cisco Software Center at the following URL: https://software.cisco.com/download/release.html?mdfid=286283219&softwareid=286283500&os=&release=1&relind=AVAILABLE&rellifecycle=&reltype=latest&i=!pp
Cisco UCS Director
All versions prior to software version 5.2.0.1 are affected.
Software version 5.3.0.0 contains the fix.
Customers running versions prior to 5.2.0.1 should upgrade to either 5.2.0.1 or later or 5.3.0.0 or later.
Customers running version 5.2.0.0 should apply patch 5.2.0.1 or later. The patch is available from the Cisco Software Center at the following URL:
https://software.cisco.com/download/release.html?mdfid=286283454&flowid=72903&softwareid=285018084&release=5&relind=AVAILABLE&rellifecycle=&reltype=latest
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The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.
This vulnerability was discovered by Cisco during internal security testing.
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To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy. This document also contains instructions for obtaining fixed software and receiving security vulnerability information from Cisco.
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Show LessRevision 1.0 2015-September-02 Initial public release
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