Vulnerability · Published Jun 7, 2023 · Assigned by AHA

CVE-2023-0667Wireshark MSMMS parsing buffer overflow

Medium 6.5

In plain English

A medium-severity heap buffer overflow in Wireshark from Wireshark Foundation. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 2.0% (higher than 81% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)2.0%top 19.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

Due to failure in validating the length provided by an attacker-crafted MSMMS packet, Wireshark version 4.0.5 and prior, in an unusual configuration, is susceptible to a heap-based buffer overflow, and possibly code execution in the context of the process running Wireshark

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12wireshark4.0.6-1~deb12u1DEBIAN-CVE-2023-0667
Debian:12wireshark4.0.6-1~deb12u1DSA-5429-1
Debian:13wireshark4.0.6-1DEBIAN-CVE-2023-0667
Debian:14wireshark4.0.6-1DEBIAN-CVE-2023-0667

Affected products (as reported)

VendorProductVersions
Wireshark Foundation Wireshark 0 – through 4.0.50 – through 3.6.13

Weakness: CWE-122 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References