Cisco Security Advisory
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AV:L/AC:L/Au:S/C:C/I:C/A:C/E:F/RL:OF/RC:C
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A vulnerability in Cisco Virtual TelePresence Server Software could allow an authenticated, local attacker to access the shell of the underlying operating system with the privilege level of the root user.
The vulnerability is due to undocumented privileged access through the serial connection, which is available via the vSphere controller. An attacker could exploit this vulnerability to obtain privileged access to the underlying operating system. The attacker would need to have administrative privileges on the vSphere controller. An exploit could allow the attacker to access the underlying operating system with the privileges of the root user. Cisco TelePresence Server Software for appliances is not affected by this vulnerability.
Cisco has confirmed the vulnerability and released software updates.
To exploit this vulnerability, an attacker must authenticate and have local access to the targeted system. These requirements may reduce the likelihood of a successful exploit.
Cisco indicates through the CVSS score that functional code exists; however, the code is not known to be publicly available.
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Cisco has released bug ID CSCus61123 for registered users that contains additional details and an up-to-date list of affected product versions.
Vulnerable Products
At the time this alert was first published, Cisco TelePresence Server Software versions 4.1(1.79) and prior were vulnerable. Later versions of Cisco TelePresence Server Software may also be vulnerable.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 access local systems.
Administrators are advised to allow only privileged users to access administration or management systems.
Administrators are advised to monitor affected systems.
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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 2015-Mar-16
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