Technical Description

Multiple vulnerabilities have been identified in Cisco Unified Presence, which could be exploited by attackers to cause a denial of service.

The first issue is caused by errors in the Presence Engine service when handling a series of malformed IP packets, which could be exploited by attackers to create a denial of service condition.

The second vulnerability is caused by an error in the SIP Proxy service when handling a specially crafted TCP port scan, which could be exploited by attackers to create a denial of service condition.

Affected Products

Cisco Unified Presence versions prior to 6.0(3)

Solution

Upgrade to Cisco Unified Presence version 6.0(3) :
http://www.cisco.com/pcgi-bin/tablebuild.pl/cup-60?psrtdcat20e2

References

http://www.vupen.com/english/advisories/2008/1534
http://www.cisco.com/warp/public/707/cisco-sa-20080514-cup.shtml

Credits

Vulnerabilities reported by the vendor.

ChangeLog

2008-05-14 : Initial release

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