The vulnerability of the microprogrammed software in Cisco IP Phone models series 8800 and 7800, related to insufficient checking of SIP initiation packets, allows attackers to cause service failures.

The vulnerability of the microprogrammed software in Cisco IP Phone models series 8800 and 7800 is related to insufficient checking of incoming packets of the Session Initiation Protocol SIP. Exploiting this vulnerability can allow a malicious actor to cause service failures...