Vulnerability · Published Aug 24, 2023 · Assigned by GitLab

CVE-2023-4512Uncontrolled Recursion in Wireshark

Medium 5.3

In plain English

A medium-severity security flaw 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 0.5% (higher than 44% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.5%top 56.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

CBOR dissector crash in Wireshark 4.0.0 to 4.0.6 allows denial of service via packet injection or crafted capture file

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12wireshark4.0.11-1~deb12u1DEBIAN-CVE-2023-4512
Debian:12wireshark4.0.11-1~deb12u1DSA-5559-1
Debian:13wireshark4.0.8-1DEBIAN-CVE-2023-4512
Debian:14wireshark4.0.8-1DEBIAN-CVE-2023-4512
Ubuntu:24.04:LTSwireshark4.2.2-1.1build3UBUNTU-CVE-2023-4512

Affected products (as reported)

VendorProductVersions
Wireshark Foundation Wireshark 4.0.0 – before 4.0.8

Weakness: CWE-674 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

References