Paper/Archive/CVE-2022-39269

CVE-2022-39269

pjsip pjproject — Media transport downgrade from the secure version (SRTP) to non-secure (RTP) in pjsip

CVSS 9.1 (NVD, CNA agree)9.1 / 10 × 3027.3 Not in CISA KEV+300.0 EPSS percentile 54.3.543 × 2010.9 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource

pjproject>= 2.11, < 2.13–CNA

Scores by source

GitHub_M (CNA)9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

NVD9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refgithub.com/pjsip/pjproject/security/advisories/GHSA-wx5m-cj97-4wwg refgithub.com/pjsip/pjproject/commit/d2acb9af4e27b5ba75d658690406cec9c274c5cc advisorysecurity.gentoo.org/glsa/202210-37 reflists.debian.org/debian-lts-announce/2023/02/msg00029.html advisorydebian.org/security/2023/dsa-5358