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CVE-2018-16227

Published: 30 September 2019

The IEEE 802.11 parser in tcpdump before 4.9.3 has a buffer over-read in print-802_11.c for the Mesh Flags subfield.

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
tcpdump
Launchpad, Ubuntu, Debian
upstream
Released (4.9.3)
trusty
Released (4.9.3-0ubuntu0.14.04.1+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
xenial
Released (4.9.3-0ubuntu0.16.04.1)
bionic
Released (4.9.3-0ubuntu0.18.04.1)
disco Ignored
(end of life)
eoan Not vulnerable
(4.9.3-2)

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H