Cisco TelePresence Video Communication Server SIP Denial of Service Vulnerability

2014.01.22
Credit: CISCO
Risk: Medium
Local: No
Remote: Yes
CWE: N/A


CVSS Base Score: 7.1/10
Impact Subscore: 6.9/10
Exploitability Subscore: 8.6/10
Exploit range: Remote
Attack complexity: Medium
Authentication: No required
Confidentiality impact: None
Integrity impact: None
Availability impact: Complete

Cisco Security Advisory: Cisco TelePresence Video Communication Server SIP Denial of Service Vulnerability Advisory ID: cisco-sa-20140122-vcs Revision 1.0 For Public Release 2014 January 22 16:00 UTC (GMT) +--------------------------------------------------------------------- Summary ======= 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 free 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-20140122-vcs

References:

http://seclists.org/fulldisclosure/2014/Jan/147
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140122-vcs


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