The IAX2 channel driver (chan_iax2) for Asterisk 1.2.x before 1.2.9
and 1.0.x before 1.0.11 allows remote attackers to cause a denial of
service (crash) and execute arbitrary code via truncated IAX 2 (IAX2)
video frames, which bypasses a length check and leads to a buffer
overflow involving negative length check. NOTE: the vendor advisory
claims that only a DoS is possible, but the original researcher is
Note:References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
BUGTRAQ:20060609 CORE-2006-0330: Asterisk PBX truncated video frame vulnerability
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