CVE-2022-23537
CRITICAL9.8EPSS 0.42%asterisk - security update
Published: 12/20/2022Modified: 3/9/2026
Also known as:DSA-5358-1ALPINE-CVE-2022-23537DEBIAN-CVE-2022-23537DEBIAN-CVE-2022-23547DEBIAN-CVE-2022-31031DEBIAN-CVE-2022-37325DEBIAN-CVE-2022-39244DEBIAN-CVE-2022-42705DEBIAN-CVE-2022-42706
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. Buffer overread is possible when parsing a specially crafted STUN message with unknown attribute. The vulnerability affects applications that uses STUN including PJNATH and PJSUA-LIB. The patch is available as a commit in the master branch (2.13.1).
Affected packages (5)
- Alpine/asteriskfrom 0, < 18.20.2-r0
- Debian/asteriskfrom 0, < 1:16.28.0~dfsg-0+deb11u2
- Debian/asteriskfrom 0, < 1:16.28.0~dfsg-0+deb10u2
- Debian/asteriskfrom 0, < 1:16.28.0~dfsg-0+deb11u2
- Debian/ringfrom 0, < 20210112.2.b757bac~ds1-1+deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |