A denial of service (DoS) vulnerability exists in Cisco Unified Presence and Jabber Extensible Communications Platform (Jabber XCP). An unauthenticated, remote attacker could exploit this vulnerability by sending a specially crafted Extensible Messaging and Presence Protocol (XMPP) stream header to an affected server. Successful exploitation of this vulnerability could cause the Connection Manager process to crash. Repeated exploitation could result in a sustained DoS condition. There are no workarounds available to mitigate exploitation of this vulnerability. Cisco has released software updates that address this vulnerability. This advisory is available at the following link: http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120912-cupxcp
admin: show version active Active Master Version: 8.6.0.97041-43
There are no available workarounds to mitigate this vulnerability.
Additional mitigations that can be deployed on Cisco devices within the network are available in the Cisco Applied Intelligence companion document for this Advisory: http://tools.cisco.com/security/center/viewAMBAlert.x?alertId=26732
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 be upgraded 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.
Cisco Unified Presence Software Version |
First Fixed Release |
---|---|
All versions prior to 8.6(3) |
Upgrade to 8.6(3) or higher |
Jabber XCP Software Version, Including JabberNow Appliances |
First Fixed Release |
---|---|
All versions prior to 5.3 |
Upgrade to 5.3 or higher |
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.
The vulnerability described in this advisory was found during internal testing.
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.
Revision 1.0 | 2012-September-12 | Initial public release |
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