CVE-2022-24792 Information

Description

PJSIP is a free and open source multimedia communication library written in C. A denial-of-service vulnerability affects applications on a 32-bit systems that use PJSIP versions 2.12 and prior to play/read invalid WAV files. The vulnerability occurs when reading WAV file data chunks with length greater than 31-bit integers. The vulnerability does not affect 64-bit apps and should not affect apps that only plays trusted WAV files. A patch is available on the master branch of the pjsip/project GitHub repository. As a workaround apps can reject a WAV file received from an unknown source or validate the file first.

CVSS Vector

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

Reference

https://github.com/pjsip/pjproject/commit/947bc1ee6d05be10204b918df75a503415fd3213 https://github.com/pjsip/pjproject/security/advisories/GHSA-rwgw-vwxg-q799 https://lists.debian.org/debian-lts-announce/2022/05/msg00047.html

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5