Buffer overflow in Pjsip Pjproject
CVE-2022-23537
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. Buffer overread is possible when parsing a specially crafted STUN message with unknown attribute. The vulnerability affects applications that uses STUN including PJNATH and PJSUA-LIB. The patch is available as a commit in the master branch (2.13.1).
Vulnerability class: Buffer Overflow
EPSS: 0.010 (60.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H.
Affected products
- Pjsip Pjproject — versions <= 2.13
- Teluu Pjsip
- Debian Debian_linux — versions 10.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Patch, Third Party Advisory)
- security-advisories@github.com (Patch, Third Party Advisory, x_refsource_MISC)
- security-advisories@github.com (Mailing List, Third Party Advisory)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2022-23537?
- CVE-2022-23537 is a medium-severity vulnerability in Pjsip Pjproject, classified under Heap-based Buffer Overflow. CVSS score: 6.5/10. Published 2022-12-20.
- How severe is CVE-2022-23537?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2022-23537 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.