Cisco goes public with major vulns

Users of Cisco's Unified Communications Manager, UCM instant messaging and presence, and Prime Central hosted collaboration system need to get busy with patches, after the Borg announced denial-of-service vulnerabilities across all three platforms.

UCM 7.1, Cisco advises, has an improper error handling vulnerability that can be used in denial-of-service. An attacker can hose the system by sending malformed registration messages.

There are also vulns in versions 8.5, 8.6 and 9.0 of UCM: some UDP ports don't rate-limit properly, and could therefore be hit with high-rate traffic for denial-of-service. The same versions also fail to rate-limit on UDP 5060, the SIP port.