CVE-2022-23537: PJSIP vulnerable to heap buffer overflow when decoding STUN message
First published: Tue Dec 20 2022(Updated: )
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).
Credit: security-advisories@github.com security-advisories@github.com security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Teluu PJSIP | <2.13.1 | |
| ubuntu/ring | <20180228.1.503 | 20180228.1.503 |
| ubuntu/ring | <20190215.1. | 20190215.1. |
| Debian Debian Linux | =10.0 | |
| debian/asterisk | <=1:16.2.1~dfsg-1+deb10u2 | 1:16.28.0~dfsg-0+deb10u4 1:16.28.0~dfsg-0+deb11u3 1:16.28.0~dfsg-0+deb11u4 1:20.6.0~dfsg+~cs6.13.40431414-2 |
| debian/ring | <=20190215.1.f152c98~ds1-1+deb10u1<=20210112.2.b757bac~ds1-1 | 20190215.1.f152c98~ds1-1+deb10u2 20230206.0~ds2-1.1 20231201.0~ds1-1 |
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Reference Links
- https://github.com/pjsip/pjproject/commit/d8440f4d711a654b511f50f79c0445b26f9dd1e1
- https://github.com/pjsip/pjproject/security/advisories/GHSA-9pfh-r8x4-w26w
- https://lists.debian.org/debian-lts-announce/2023/08/msg00038.html
- https://launchpad.net/bugs/cve/CVE-2022-23537
- https://security-tracker.debian.org/tracker/CVE-2022-23537
- https://ubuntu.com/security/notices/USN-6422-1
- https://www.cve.org/CVERecord?id=CVE-2022-23537
- https://nvd.nist.gov/vuln/detail/CVE-2022-23537
- https://ubuntu.com/security/CVE-2022-23537
Frequently Asked Questions
What is CVE-2022-23537?
CVE-2022-23537 is a vulnerability in the PJSIP library that allows buffer overread when parsing a specially crafted STUN message with unknown attribute.
Which software is affected by CVE-2022-23537?
Teluu Pjsip version up to 2.13.1, Asterisk version up to 1:16.28.0~dfsg-0+deb10u3, 1:16.28.0~dfsg-0+deb11u2, 1:16.28.0~dfsg-0+deb11u3, and 1:20.4.0~dfsg+~cs6.13.40431414-2, and Ring version up to 20190215.1.f152c98~ds1-1+deb10u2, 20230206.0~ds2-1.1, and 20230206.0~ds2-1.3 are affected by CVE-2022-23537.
What is the severity of CVE-2022-23537?
CVE-2022-23537 has a severity rating of 9.8 (Critical).
How can I fix CVE-2022-23537 in Teluu Pjsip?
To fix CVE-2022-23537 in Teluu Pjsip, update to version 2.13.2 or later.
How can I fix CVE-2022-23537 in Asterisk?
To fix CVE-2022-23537 in Asterisk, update to version 1:16.2.1~dfsg-1+deb10u2 or later, 1:16.28.0~dfsg-0+deb11u2 or later, 1:16.28.0~dfsg-0+deb11u3 or later, or 1:20.4.0~dfsg+~cs6.13.40431414-3 or later.
How can I fix CVE-2022-23537 in Ring?
To fix CVE-2022-23537 in Ring, update to version 20190215.1.f152c98~ds1-1+deb10u3 or later, 20230206.0~ds2-1.2 or later, or 20230206.0~ds2-1.4 or later.
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