CVE-2022-31031

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.

How to fix CVE-2022-31031

To remediate CVE-2022-31031, upgrade the affected package to a fixed version below.

• —upgrade to 2.13-r0 or later
• —upgrade to 1:16.28.0~dfsg-0+deb11u2 or later
• —upgrade to 20210112.2.b757bac~ds1-1+deb11u1 or later

Is CVE-2022-31031 being exploited?

Low — EPSS is 0.7%, meaning exploitation activity has not been observed at scale.

Affected packages (3)

• from 0, < 2.13-r0
• from 0, < 1:16.28.0~dfsg-0+deb11u2
• from 0, < 20210112.2.b757bac~ds1-1+deb11u1

CVSS scores

References (2)

• ADVISORYsecurity.alpinelinux.org/vuln/CVE-2022-31031
• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2022-31031