Critical severity · published Dec 23, 2022
CVE-2022-23547
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
9.8
CVSS
1%
EPSS
No
On KEV
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. This issue is similar to GHSA-9pfh-r8x4-w26w. Possible buffer overread when parsing a certain STUN message. The vulnerability affects applications that uses STUN including PJNATH and PJSUA-LIB. The patch is available as commit in the master branch.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 63% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PJ
Pjsip · Pjsip
before 2.13.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-23547
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-23547
Patch
https://github.com/pjsip/pjproject/commit/bc4812d31a67d5e2f973fbfaf950d6118226cf36
Patch
https://github.com/pjsip/pjproject/security/advisories/GHSA-9pfh-r8x4-w26w
Patch
https://github.com/pjsip/pjproject/security/advisories/GHSA-cxwq-5g9x-x7fr
lists.debian.org
https://lists.debian.org/debian-lts-announce/2023/08/msg00038.html
lists.debian.org
https://lists.debian.org/debian-lts-announce/2024/09/msg00030.html
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PJSIP is a free and open source multimedia communication library written in C