The SIP channel driver (channels/chan_sip.c) in Asterisk Open Source
1.8.x before 18.104.22.168, 10.x before 10.12.3, and 11.x before 11.5.1;
Certified Asterisk 1.8.15 before 1.8.15-cert3 and 11.2 before
11.2-cert2; and Asterisk Digiumphones 10.x-digiumphones before
10.12.3-digiumphones allows remote attackers to cause a denial of
service (NULL pointer dereference, segmentation fault, and daemon
crash) via an invalid SDP that defines a media description before the
connection description in a SIP request.
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-2013-005: Remote Crash when Invalid SDP is sent in SIP Request
Disclaimer: The entry creation date may reflect when
the CVE-ID was allocated or reserved, and does not
necessarily indicate when this vulnerability was
discovered, shared with the affected vendor, publicly
disclosed, or updated in CVE.
This is an entry on the CVE
list, which standardizes names for security