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TITLE:
Cisco IOS H.323 Two Denial of Service Vulnerabilities

SECUNIA ADVISORY ID:
SA39067

VERIFY ADVISORY:
http://secunia.com/advisories/39067/

DESCRIPTION:
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

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use those supplied by the vendor.

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