Asterisk Open Source 1.0.x and 1.2.x before 1.2.29 and Business
Edition A.x.x and B.x.x before B.2.5.3, when pedantic parsing (aka
pedanticsipchecking) is enabled, allows remote attackers to cause a
denial of service (daemon crash) via a SIP INVITE message that lacks a
From header, related to invocations of the ast_uri_decode function,
and improper handling of (1) an empty const string and (2) a NULL
Note:References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
BUGTRAQ:20080603 AST-2008-008: Remote Crash Vulnerability in SIP channel driver when run in pedantic mode
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