The SIP channel driver (channels/chan_sip.c) in Asterisk Open Source
1.8.17.x through 1.8.22.x, 1.8.23.x before 18.104.22.168, and 11.x before
11.5.1 and Certified Asterisk 1.8.15 before 1.8.15-cert3 and 11.2
before 11.2-cert2 allows remote attackers to cause a denial of service
(NULL pointer dereference, segmentation fault, and daemon crash) via
an ACK with SDP to a previously terminated channel. NOTE: some of
these details are obtained from third party information.
Note:References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
BUGTRAQ:20130827 AST-2013-004: Remote Crash From Late Arriving SIP ACK With SDP
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discovered, shared with the affected vendor, publicly
disclosed, or updated in CVE.
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