Log in Start free

Vulnerability · Published May 26, 2023 · Assigned by GitLab

CVE-2023-2856

Medium 5.3

In plain English

A medium-severity out-of-bounds write 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 1.8% (higher than 78% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)1.8%top 21.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

VMS TCPIPtrace file parser crash in Wireshark 4.0.0 to 4.0.5 and 3.6.0 to 3.6.13 allows denial of service via crafted capture file

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8wireshark1:2.6.2-17.el8ALSA-2023:7015
AlmaLinux:9wireshark1:3.4.10-6.el9ALSA-2023:6469
AlmaLinux:8wireshark-cli1:2.6.2-17.el8ALSA-2023:7015
AlmaLinux:9wireshark-cli1:3.4.10-6.el9ALSA-2023:6469
AlmaLinux:8wireshark-devel1:2.6.2-17.el8ALSA-2023:7015
AlmaLinux:9wireshark-devel1:3.4.10-6.el9ALSA-2023:6469
Debian:12wireshark4.0.6-1~deb12u1DEBIAN-CVE-2023-2856
Debian:12wireshark4.0.6-1~deb12u1DSA-5429-1
Debian:13wireshark4.0.6-1DEBIAN-CVE-2023-2856
Debian:14wireshark4.0.6-1DEBIAN-CVE-2023-2856
Rocky Linux:8wireshark1:2.6.2-17.el8RLSA-2023:7015

Affected products (as reported)

VendorProductVersions
Wireshark Foundation Wireshark >=4.0.0, <4.0.6>=3.6.0, <3.6.14

Weakness: CWE-787 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

References