Cisco Security Advisory – Devices running Cisco IOS Software and configured for Cisco Unified Communications Manager Express (CME) or Cisco Unified Survivable Remote Site Telephony (SRST) operation are affected by two denial of service vulnerabilities that may result in a device reload if successfully exploited. The vulnerabilities are triggered when the Cisco IOS device processes specific, malformed Skinny Call Control Protocol (SCCP) messages.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/87599/cisco-sa-20100324-cucme.txt
Source: https://packetstormsecurity.com/files/87599/Cisco-Security-Advisory-20100324-cucme.html