Home/CVE/PJSIP is a free and open source multimedia communication library written in C. In versions of PJSIP prior to 2.13 the PJ
CVE

CVE-2022-39244

PJSIP is a free and open source multimedia communication library written in C. In versions of PJSIP prior to 2.13 the PJ

PJSIP is a free and open source multimedia communication library written in C. In versions of PJSIP prior to 2.13 the PJSIP parser, PJMEDIA RTP decoder, and PJMEDIA SDP parser are affeced by a buffer overflow vulnerability. Users connecting to untrusted clients are at risk.

This issue has been patched and is available as commit c4d3498 in the master branch and will be included in releases 2.13 and later. Users are advised to upgrade. There are no known workarounds for this issue.

HIGH · CVSS 7.5 EPSS 0.00325
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
▤

Affected Products & Versions

1
pjsip< 2.13
▣

Scoring & Timeline

7.5
HIGH · 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 NVD06 Oct 2022 · 06:16 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
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

7
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/c4d34984ec92b3d5252a7d5cddd85a1d3a8001aePatchThird Party Advisory
https://github.com/pjsip/pjproject/security/advisories/GHSA-fq45-m3f7-3mhjThird Party Advisory
https://lists.debian.org/debian-lts-announce/2023/02/msg00029.html
https://lists.debian.org/debian-lts-announce/2023/08/msg00038.html
https://security.gentoo.org/glsa/202210-37Third Party Advisory
https://www.debian.org/security/2023/dsa-5358
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