CVE-2007-4291: Undefined Security Weakness

Cisco IOS 12.0 through 12.4 allows remote attackers to cause a denial of service via 1 a malformed MGCP packet, which causes a device hang, aka CSCsf08998; a malformed H.323 packet, which causes a device crash, as identified by 2 CSCsi60004 with Proxy Unregistration and 3 CSCsg70474; and a...