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CVE-2018-16228

Published: 30 September 2019

The HNCP parser in tcpdump before 4.9.3 has a buffer over-read in print-hncp.c:print_prefix().

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)
bionic
Released (4.9.3-0ubuntu0.18.04.1)
disco Ignored
(end of life)
eoan Not vulnerable
(4.9.3-2)
xenial
Released (4.9.3-0ubuntu0.16.04.1)

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