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VuXML IDDescription
964c5460-9c66-11ec-ad3a-001999f8d30basterisk -- multiple vulnerabilities

The Asterisk project reports:

AST-2022-004 - The header length on incoming STUN messages that contain an ERROR-CODE attribute is not properly checked. This can result in an integer underflow. Note, this requires ICE or WebRTC support to be in use with a malicious remote party.

AST-2022-005 - When acting as a UAC, and when placing an outgoing call to a target that then forks Asterisk may experience undefined behavior (crashes, hangs, etc) after a dialog set is prematurely freed.

AST-2022-006 - If an incoming SIP message contains a malformed multi-part body an out of bounds read access may occur, which can result in undefined behavior. Note, its currently uncertain if there is any externally exploitable vector within Asterisk for this issue, but providing this as a security issue out of caution.


Discovery 2022-03-03
Entry 2022-03-05
asterisk16
lt 16.24.1

asterisk18
lt 18.10.1

CVE-2021-37706
CVE-2022-23608
CVE-2022-21723
https://downloads.asterisk.org/pub/security/AST-2022-004.html
https://downloads.asterisk.org/pub/security/AST-2022-005.html
https://downloads.asterisk.org/pub/security/AST-2022-006.html