CVE-2017-12997

CRITICAL

Tcpdump < 4.9.1 - Infinite Loop

Title source: rule

Description

The LLDP parser in tcpdump before 4.9.2 could enter an infinite loop due to a bug in print-lldp.c:lldp_private_8021_print().

References (8)

[Third Party Advisory, VDB Entry] http://www.securitytracker.com/id/1039307

[Vendor Advisory] http://www.tcpdump.org/tcpdump-changes.txt

[Vendor Advisory] https://access.redhat.com/errata/RHEA-2018:0705

[Issue Tracking, Patch, Third Party Advisory] https://github.com/the-tcpdump-group/tcpdump/commit/34cec721d39c76be1e0a600829a7b17bdfb832b6

View Patch ZIP pw:eip

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/100914

[Third Party Advisory] http://www.debian.org/security/2017/dsa-3971

[Third Party Advisory] https://security.gentoo.org/glsa/201709-23

[Vendor Advisory] https://support.apple.com/HT208221

Scores

CVSS v3 9.8

EPSS 0.0145

EPSS Percentile 80.5%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Classification

CWE

CWE-125 CWE-835

Status draft

Affected Products (1)

tcpdump/tcpdump < 4.9.1

Timeline

Published Sep 14, 2017

Tracked Since Feb 18, 2026