cisco-sa-20100825-cup

Cisco Unified Presence contains two denial of service (DoS) vulnerabilities that affect the processing of Session Initiation Protocol (SIP) messages. Exploitation of these vulnerabilities could cause an interruption of presence services. Cisco has released software updates that address these vulnerabilities. There are no workarounds for these vulnerabilities. This advisory is posted at https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20100825-cup .