Integer overflow in Pjsip Pjproject
CVE-2021-37706
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 affected versions if the incoming STUN message contains an ERROR-CO…
EPSS: 0.005 (66.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Pjsip Pjproject — versions <= 2.11.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/pjsip/pjproject/security/advisories/GHSA-2qpg-f6wf-w984
- github.com/pjsip/pjproject/commit/15663e3f37091069b8c98a7fce680dc04bc8e865
- 20220304 AST-2022-004: pjproject: integer underflow on STUN message (mailing-list)
- packetstormsecurity.com/files/166225/Asterisk-Project-Security-Advisory-AST-202…
- [debian-lts-announce] 20220328 [SECURITY] [DLA 2962-1] pjproject security update (mailing-list)
- GLSA-202210-37 (vendor-advisory)
- [debian-lts-announce] 20221117 [SECURITY] [DLA 3194-1] asterisk security update (mailing-list)
- DSA-5285 (vendor-advisory)
- [debian-lts-announce] 20230829 [SECURITY] [DLA 3549-1] ring security update (mailing-list)
Frequently asked questions
- What is CVE-2021-37706?
- CVE-2021-37706 is a high-severity vulnerability in Pjsip Pjproject, classified under Integer Underflow. CVSS score: 7.3/10. Published 2021-12-22.
- How severe is CVE-2021-37706?
- High severity. CVSS v3 base score is 7.3 out of 10.
- Is CVE-2021-37706 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.