CVE-2022-39269

Description

PJSIP is a free and open source multimedia communication library written in C. When processing certain packets, PJSIP may incorrectly switch from using SRTP media transport to using basic RTP upon SRTP restart, causing the media to be sent insecurely. The vulnerability impacts all PJSIP users that use SRTP. The patch is available as commit d2acb9a in the master branch of the project and will be included in version 2.13. Users are advised to manually patch or to upgrade. There are no known workarounds for this vulnerability.

How to fix CVE-2022-39269

To remediate CVE-2022-39269, upgrade the affected package to a fixed version below.

• —upgrade to 2.13-r0 or later
• —upgrade to 1:16.28.0~dfsg-0+deb11u2 or later
• —upgrade to 20230206.0~ds1-1 or later

Is CVE-2022-39269 being exploited?

Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.

Affected packages (3)

• from 0, < 2.13-r0
• from 0, < 1:16.28.0~dfsg-0+deb11u2
• from 0, < 20230206.0~ds1-1

CVSS scores

References (2)

• ADVISORYsecurity.alpinelinux.org/vuln/CVE-2022-39269
• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2022-39269