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CVE

CVE-2022-23537

PJSIP is a free and open source multimedia communication library written in C language implementing standard based proto

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. Buffer overread is possible when parsing a specially crafted STUN message with unknown attribute. The vulnerability affects applications that uses STUN including PJNATH and PJSUA-LIB.

The patch is available as a commit in the master branch (2.13.1).

MEDIUM · CVSS 6.5 EPSS 0.00422
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-122Heap-based Buffer Overflow
CWE-125Out-of-bounds Read
▤

Affected Products & Versions

2
teluu pjsip< 2.13.1
debian linuxall versions
▣

Scoring & Timeline

6.5
MEDIUM · CVSS v3.1 · security-advisories@github.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD20 Dec 2022 · 07:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

1
usnUSN-6422-1
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/pjsip/pjproject/commit/d8440f4d711a654b511f50f79c0445b26f9dd1e1PatchThird Party Advisory
https://github.com/pjsip/pjproject/security/advisories/GHSA-9pfh-r8x4-w26wPatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2023/08/msg00038.htmlMailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2024/09/msg00030.html
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