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Vulnerability · Published Jun 7, 2023 · Assigned by AHA

CVE-2023-0668Wireshark IEEE-C37.118 parsing buffer overflow

Medium 6.5

In plain English

A medium-severity out-of-bounds read 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 2.3% (higher than 83% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)2.3%top 17.0% 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 IEEE-C37.118 packet, Wireshark version 4.0.5 and prior, by default, 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
AlmaLinux:9wireshark1:3.4.10-6.el9ALSA-2023:6469
AlmaLinux:9wireshark-cli1:3.4.10-6.el9ALSA-2023:6469
AlmaLinux:9wireshark-devel1:3.4.10-6.el9ALSA-2023:6469
Debian:12wireshark4.0.6-1~deb12u1DEBIAN-CVE-2023-0668
Debian:12wireshark4.0.6-1~deb12u1DSA-5429-1
Debian:13wireshark4.0.6-1DEBIAN-CVE-2023-0668
Debian:14wireshark4.0.6-1DEBIAN-CVE-2023-0668

Affected products (as reported)

VendorProductVersions
Wireshark Foundation Wireshark 4.0.0 – through 4.0.53.6.0 – through 3.6.13

Weakness: CWE-125 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References