Two vulnerabilities have been reported in Cisco IOS, which can be exploited by malicious people to cause a DoS (Denial of Service).

The vulnerabilities are caused due to unspecified errors in the H.323 implementation, which can be exploited to trigger a device reload or lead to an interface queue wedge via specially crafted H.323 packets.

Successful exploitation requires a complete TCP three-way handshake, and that H.323 voice services are enabled.

Solution
Update to the fixed version (please see the vendor's advisories for details).

Provided and/or discovered by
Reported by the vendor.

Original Advisory
http://www.cisco.com/warp/public/707/cisco-sa-20100324-h323.shtml

Deep Links
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