Main Vulnerability Database Vulnerabilities #VU33501

Input validation error in Debian Linux - CVE-2018-9258

Published: April 4, 2018 / Updated: August 4, 2020

Vulnerability identifier: #VU33501

CSH Severity: Medium

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2018-9258

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

In Wireshark 2.4.0 to 2.4.5, the TCP dissector could crash. This was addressed in epan/dissectors/packet-tcp.c by preserving valid data sources.

Debian Linux
wireshark (Alpine package)

Install update from vendor's website.

wireshark (Alpine package) - update to 2.2.14-r0