CVE-2018-16301

tcpdump: Buffer overflow in the -F command line argument parser

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Severity

Low

Red Hat Product Security

5.3

CVSS 3.0

Review impact separately from score.

Published · September 30, 2019

Updated · October 9, 2026

Description

The command-line argument parser in tcpdump before 4.99.0 has a buffer overflow in tcpdump.c:read_infile(). To trigger this vulnerability the attacker needs to create a 4GB file on the local filesystem and to specify the file name as the value of the -F command-line argument of tcpdump.

Statement

This flaw has been rated as having a security impact of Low. See the discussion on upstream issue https://github.com/the-tcpdump-group/libpcap/issues/855 for more information.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 5.3
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')