Vulnerability · Published Dec 23, 2022 · Assigned by GitHub_M

CVE-2022-23547Heap buffer overflow in pjproject when decoding STUN message

Medium 6.5

In plain English

A medium-severity heap buffer overflow in pjproject from pjsip. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 64% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)1.0%top 36.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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. This issue is similar to GHSA-9pfh-r8x4-w26w. Possible buffer overread when parsing a certain STUN message. The vulnerability affects applications that uses STUN including PJNATH and PJSUA-LIB. The patch is available as commit in the master branch.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:14asterisk1:20.4.0~dfsg+~cs6.13.40431414-1DEBIAN-CVE-2022-23547
Debian:12ring20230206.0~ds1-1DEBIAN-CVE-2022-23547

Affected products (as reported)

VendorProductVersions
pjsip pjproject <= 2.13

Weakness: CWE-122 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H

References