CVE-2022-23547 Heap buffer overflow in pjproject when decoding STUN message

2022-12-2314:00:22

CWE-122

GitHub_M

www.cve.org

pjproject

stun

heap buffer overflow

multimedia communication

vulnerability

pjsip

protocol

buffer overread

patch

commit

master branch

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

9.5

Confidence

High

EPSS

0.002

Percentile

53.2%

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. 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.

CNA Affected

[
  {
    "vendor": "pjsip",
    "product": "pjproject",
    "versions": [
      {
        "version": "<= 2.13",
        "status": "affected"
      }
    ]
  }
]