CVE-2022-24793

high

Description

PJSIP is a free and open source multimedia communication library written in C. A buffer overflow vulnerability in versions 2.12 and prior affects applications that uses PJSIP DNS resolution. It doesn't affect PJSIP users who utilize an external resolver. A patch is available in the `master` branch of the `pjsip/pjproject` GitHub repository. A workaround is to disable DNS resolution in PJSIP config (by setting `nameserver_count` to zero) or use an external resolver instead.

References

https://github.com/pjsip/pjproject/commit/9fae8f43accef8ea65d4a8ae9cdf297c46cfe29a

https://github.com/pjsip/pjproject/security/advisories/GHSA-p6g5-v97c-w5q4

https://lists.debian.org/debian-lts-announce/2022/05/msg00047.html

https://security.gentoo.org/glsa/202210-37

https://lists.debian.org/debian-lts-announce/2022/11/msg00021.html

https://www.debian.org/security/2022/dsa-5285

Details

Source: MITRE

Published: 2022-04-06

Updated: 2022-12-06

Type: CWE-120

Risk Information

CVSS v2

Base Score: 4.3

Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P

Impact Score: 2.9

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Impact Score: 3.6

Exploitability Score: 3.9

Severity: HIGH