CVE-2022-23537

2022-12-2019:15:24

Alpine Linux Development Team

security.alpinelinux.org

pjsip

multimedia library

cve-2022-23537

patch

stun

buffer overread

pjnath

pjsua-lib

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9.5

Confidence

High

EPSS

0.002

Percentile

57.2%

JSON

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).

OSVersionArchitecturePackageVersionFilename
Alpine3.16-mainnoarchasterisk< 18.20.2-r0UNKNOWN
Alpine3.17-mainnoarchasterisk< 18.20.2-r0UNKNOWN
Alpine3.18-mainnoarchasterisk< 18.20.2-r0UNKNOWN