CVE-2022-31031 is a critical stack buffer overflow vulnerability in PJSIP, an open-source multimedia communication library, affecting versions up to and including 2.12.1. This flaw impacts applications utilizing STUN, specifically when a STUN server is configured at the PJSUA/PJSUA2 level or through direct use of the pjlib-util/stun_simple API. The vulnerability carries a CVSS score of 9.8 (Critical), indicating it can be exploited remotely with low attack complexity, leading to complete compromise of confidentiality, integrity, and availability. There are no known workarounds, but a patch is available in commit 450baca. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2.12.1CPE matchmatch criteria | cpe:2.3:a:teluu:pjsip:*:*:*:*:*:*:*:* | ||
10.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | ||
11.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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