Description: Multiple vulnerabilities have been reported in Cisco IOS, which can be exploited by malicious people to cause a DoS (Denial of Service) or potentially compromise a vulnerable system.
1) Errors when processing SIP packets can be exploited to crash the device or allow execution of arbitrary code via specially-crafted SIP packets.
2) Errors when processing MGCP packets can be exploited to cause the device to crash or become unresponsive via specially-crafted MGCP packets.
3) Errors when processing H.323 packets can be exploited to crash the device via specially crafted H.323 packets.
4) Errors when processing RTP packets can be exploited to crash the device via specially crafted RTP packets.
5) An error within Facsimile reception can be exploited to crash the device via an overly large packet.
Please see the vendor's advisory for a list of affected versions.
Solution: Apply updated versions. See vendor advisory for more details.
Provided and/or discovered by: Reported by the vendor.
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