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CVE-2022-31031

Potential stack buffer overflow when parsing message as a STUN client

Published: Jun 7, 2022Updated: Nov 4, 2025 Sources: CVE List NVDCWE-120
9.8CRITICAL
NVD MITRE
EPSS Score
1.9%
Top 21.9%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

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 versions prior to and including 2.12.1 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. A patch is available in commit 450baca which should be included in the next release. There are no known workarounds for this issue.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-120CWE-787

Affected Products

teluu
commercialaka pjsip
pjsipMixed
Communications / voip-telephony
debian
oss-project·GBaka debian gnu/linux
debian linuxOn-premOS
Operating Systems / linux-distro
pjsip
oss-projectaka pjproject, pjmedia-video
pjprojectMixed
Communications / voip-telephony

Exploitability

Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://github.com/pjsip/pjproject/commit/450baca94f475345542c6953832650c390889202
github.com
https://github.com/pjsip/pjproject/security/advisories/GHSA-26j7-ww69-c4qj
github.com
https://lists.debian.org/debian-lts-announce/2023/02/msg00029.html
lists.debian.org
and 4 more references View all →

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