PT-2022-20474 · Pjsip+3 · Pjsip+3

Cossack9989 · Published 2022-06-07 · Updated 2026-05-05 · CVE-2022-31031

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions PJSIP versions prior to and including 2.12.1

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. A stack buffer overflow vulnerability affects PJSIP users that use STUN in their applications, either by setting a STUN server in their account/media config in PJSUA/PJSUA2 level, or directly using pjlib-util/stun simple API.

Recommendations For versions prior to and including 2.12.1, apply the patch available in commit 450baca to resolve the issue. As a temporary workaround, consider disabling the use of STUN in applications until the patch is applied. Restrict access to the pjlib-util/stun simple API to minimize the risk of exploitation. Avoid setting a STUN server in account/media config in PJSUA/PJSUA2 level until the issue is resolved.

Exploit

Fix

Buffer Overflow

Memory Corruption

Weakness Enumeration

CWE-120

CWE-787

Related Identifiers

ALT-PU-2024-15954

ALT-PU-2024-16030

CVE-2022-31031

DLA-3335-1

DLA-3549-1

DLA-3887-1

DSA-5358-1

GHSA-26J7-WW69-C4QJ

USN-6422-1

Affected Products

Alt Linux

Linuxmint

Pjsip

Ubuntu

References · 47

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/31xxx/CVE-2022-31031.json · Exploit
• https://github.com/pjsip/pjproject/commit/450baca94f475345542c6953832650c390889202 · Patch
• https://github.com/pjsip/pjproject/security/advisories/GHSA-26j7-ww69-c4qj · Patch
• https://ubuntu.com/security/CVE-2021-43302 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-31031 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-21722 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-43300 · Vendor Advisory
• https://osv.dev/vulnerability/ALPINE-CVE-2022-31031 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-5358-1 · Vendor Advisory
• https://security.gentoo.org/glsa/202210-37 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-39244 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-43299 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-31031 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-37706 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-24763 · Vendor Advisory