Cisco Security Advisory
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AV:N/AC:M/Au:N/C:N/I:P/A:N/E:F/RL:OF/RC:C
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A vulnerability in the Session Initiation Protocol (SIP) implementation used in TC Software could allow an unauthenticated, remoteattacker to cause an endpoint to process unintended SIP NOTIFY messages.
The vulnerability is due to errors in the SIP implementation. An attacker could exploit this vulnerability to cause the generation of unintended NOTIFY messages that may affect the integrity of communications.
Cisco has confirmed this vulnerability in a security notice and software updates are available.
To exploit this vulnerability, an attacker would likely need access to trusted, internal networks in which the targeted device may reside. This access requirement decreases the likelihood of a successful exploit.
Cisco indicates through the CVSS score that functional exploit code exists; however, the code is not known to be publicly available.
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Customers should refer to Cisco bug ID CSCud96080 for the most complete list of affected product versions.
Vulnerable Products
At the time this alert was first published, Cisco TelePresence TC Software versions 5.1.4 and prior were vulnerable. Later versions of Cisco TelePresence TC Software may also be affected.Products Confirmed Not Vulnerable
No other Cisco products are currently known to be affected by these vulnerabilities.
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Administrators are advised to apply the appropriate updates.
Administrators are advised to allow only trusted users to have network access.
Administrators are advised to allow only privileged users to access administration or management systems.
Administrators are advised to apply the appropriate updates.
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Cisco customers with active contracts should contact their Cisco support team for assistance in upgrading to a software version that includes fixes for this vulnerability. Cisco customers without contracts may contact the Cisco Technical Assistance Center at 1-800-553-2447 or 1-408-526-7209 or via email at tac@cisco.com for assistance.
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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.
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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 LessVersion Description Section Status Date 1.0 Initial Release NA Final 2013-Jul-01
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