cbcvebase.
CVE-2022-23547
published 2022-12-23

CVE-2022-23547: 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…

PriorityP348critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
0.95%
56.6th percentile
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. This issue is similar to GHSA-9pfh-r8x4-w26w. Possible buffer overread when parsing a certain STUN message. The vulnerability affects applications that uses STUN including PJNATH and PJSUA-LIB. The patch is available as commit in the master branch.

Affected

4 ranges
VendorProductVersion rangeFixed in
debianasterisk< asterisk 1:16.28.0~dfsg-0+deb11u2 (bullseye)asterisk 1:16.28.0~dfsg-0+deb11u2 (bullseye)
debianring< asterisk 1:16.28.0~dfsg-0+deb11u2 (bullseye)asterisk 1:16.28.0~dfsg-0+deb11u2 (bullseye)
pjsippjproject<= 2.13
pjsippjsip< 2.13.12.13.1

CVSS provenance

nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
osv9.8CRITICAL
vendor_ubuntu7.3HIGH
vendor_debian6.5MEDIUM
Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.