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This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.
Description
PJSIP is a free and open source multimedia communication library written in C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. In affected versions if the incoming STUN message contains an ERROR-CODE attribute, the header length is not checked before performing a subtraction operation, potentially resulting in an integer underflow scenario. This issue affects all users that use STUN. A malicious actor located within the victim’s network may forge and send a specially crafted UDP (STUN) message that could remotely execute arbitrary code on the victim’s machine. Users are advised to upgrade as soon as possible. There are no known workarounds.
Metrics
NVD enrichment efforts reference publicly available information to associate
vector strings. CVSS information contributed by other sources is also
displayed.
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OR
*cpe:2.3:a:asterisk:certified_asterisk:*:*:*:*:*:*:*:* versions up to (excluding) 16.8.0
*cpe:2.3:a:asterisk:certified_asterisk:16.8.0:*:*:*:*:*:*:*
*cpe:2.3:a:asterisk:certified_asterisk:16.8.0:cert1:*:*:*:*:*:*
*cpe:2.3:a:asterisk:certified_asterisk:16.8.0:cert10:*:*:*:*:*:*
*cpe:2.3:a:asterisk:certified_asterisk:16.8.0:cert11:*:*:*:*:*:*
*cpe:2.3:a:asterisk:certified_asterisk:16.8.0:cert12:*:*:*:*:*:*
*cpe:2.3:a:asterisk:certified_asterisk:16.8.0:cert2:*:
Added
CPE Configuration
OR
*cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Changed
Reference Type
http://packetstormsecurity.com/files/166225/Asterisk-Project-Security-Advisory-AST-2022-004.html No Types Assigned
http://packetstormsecurity.com/files/166225/Asterisk-Project-Security-Advisory-AST-2022-004.html Third Party Advisory
Changed
Reference Type
http://seclists.org/fulldisclosure/2022/Mar/0 No Types Assigned
http://seclists.org/fulldisclosure/2022/Mar/0 Mailing List, Patch, Third Party Advisory
Changed
Reference Type
https://lists.debian.org/debian-lts-announce/2022/03/msg00035.html No Types Assigned
https://lists.debian.org/debian-lts-announce/2022/03/msg00035.html Third Party Advisory
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