Out-of-bounds read in multipart parsing in PJSIP
CVE-2022-21723

9.1CRITICAL

Key Information:

Vendor

Pjsip

Status
Pjproject
Vendor
CVE Published:
27 January 2022

What is CVE-2022-21723?

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. In versions 2.11.1 and prior, parsing an incoming SIP message that contains a malformed multipart can potentially cause out-of-bound read access. This issue affects all PJSIP users that accept SIP multipart. The patch is available as commit in the master branch. There are no known workarounds.

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Affected Version(s)

pjproject <= 2.11.1

References

https://github.com/pjsip/pjproject/security/advisories/GH...
https://github.com/pjsip/pjproject/commit/077b465c33f0aec...
http://seclists.org/fulldisclosure/2022/Mar/2
mailing-list

CVSS V3.1

Score:
9.1
Severity:
CRITICAL
Confidentiality:
High
Integrity:
None
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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