Cisco TelePresence Video Communication Server SIP Denial of Service Vulnerability

Cisco
TelePresence Video Communication Server (VCS) contains a vulnerability that could allow an
unauthenticated, remote attacker to trigger the failure of several critical processes which may cause active call to be dropped and prevent users from making new calls until the affected system is reloaded.

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:

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140122-vcs[“https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140122-vcs”]