Cisco Security Advisory
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AV:N/AC:L/Au:S/C:N/I:P/A:N/E:F/RL:U/RC:C
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A vulnerability in the web framework code of Cisco TelePresence Video Communication Server (VCS) Expressway could allow an authenticated, remote attacker to install Tandberg Linux Packages (TLPs) without proper authorization.
The vulnerability is due to missing authorization checks on certain administrative pages. An attacker could exploit this vulnerability by using certain pages to upload TLP files as a read-only user. An exploit could allow the attacker to change the contents of VCS Expressway.
Cisco has not released software updates that address this vulnerability. There are no workarounds that mitigate this vulnerability.
This advisory is available at the following link: http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151209-tvc
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There are no workarounds that mitigate this vulnerability.
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When considering software upgrades, customers are advised to consult the Cisco Security Advisories and Responses 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 upgrade 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.
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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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This issue was found during a Cisco internal security audit of the product.
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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 public release. — Final 2015-December-09
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