Media transport downgrade from the secure version (SRTP) to non-secure (RTP) in pjsip
CVE-2022-39269

9.1CRITICAL

Key Information:

Vendor

Pjsip

Status
Pjproject
Vendor
CVE Published:
6 October 2022

What is CVE-2022-39269?

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.

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Deploy the Patch

Affected Version(s)

pjproject >= 2.11, < 2.13

References

https://github.com/pjsip/pjproject/security/advisories/GH...
https://github.com/pjsip/pjproject/commit/d2acb9af4e27b5b...
https://security.gentoo.org/glsa/202210-37
vendor-advisory

CVSS V3.1

Score:
9.1
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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