CWE
119 120
Advisory Published
Updated

CVE-2022-39244: Buffer overflow in pjlib scanner and pjmedia

First published: Thu Oct 06 2022(Updated: )

PJSIP is a free and open source multimedia communication library written in C. In versions of PJSIP prior to 2.13 the PJSIP parser, PJMEDIA RTP decoder, and PJMEDIA SDP parser are affeced by a buffer overflow vulnerability. Users connecting to untrusted clients are at risk. This issue has been patched and is available as commit c4d3498 in the master branch and will be included in releases 2.13 and later. Users are advised to upgrade. There are no known workarounds for this issue.

Credit: security-advisories@github.com security-advisories@github.com security-advisories@github.com

Affected SoftwareAffected VersionHow to fix
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
ubuntu/ring<20180228.1.503
20180228.1.503
ubuntu/ring<20190215.1.
20190215.1.
Teluu PJSIP<2.13

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Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the vulnerability ID for this issue?

    The vulnerability ID for this issue is CVE-2022-39244.

  • What is PJSIP?

    PJSIP is a free and open source multimedia communication library written in C.

  • What versions of PJSIP are affected by this vulnerability?

    Versions of PJSIP prior to 2.13 are affected by this vulnerability.

  • Which components of PJSIP are vulnerable?

    The PJSIP parser, PJMEDIA RTP decoder, and PJMEDIA SDP parser are affected by this vulnerability.

  • How can users be affected by this vulnerability?

    Users connecting to untrusted clients are at risk.

  • What is the severity of this vulnerability?

    The severity of this vulnerability is critical, with a severity value of 9.8.

  • How can I fix this vulnerability in PJSIP?

    To fix this vulnerability, users should update to a version of PJSIP 2.13 or later, which includes the patch for this issue.

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