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CVE-2018-16881

Published: 25 January 2019

A denial of service vulnerability was found in rsyslog in the imptcp module. An attacker could send a specially crafted message to the imptcp socket, which would cause rsyslog to crash. Versions before 8.27.0 are vulnerable.

Notes

AuthorNote
sbeattie
requires imptcp module to be loaded, which is not enabled in
the default configuration

Priority

Low

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
rsyslog
Launchpad, Ubuntu, Debian
groovy Not vulnerable

xenial
Released (8.16.0-1ubuntu3.1+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
lunar Not vulnerable

bionic Not vulnerable
(8.32.0-1ubuntu4)
cosmic Not vulnerable

disco Not vulnerable

eoan Not vulnerable

focal Not vulnerable

hirsute Not vulnerable

impish Not vulnerable

jammy Not vulnerable

kinetic Not vulnerable

trusty Needed

upstream
Released (8.27.0-2)
mantic Not vulnerable

Patches:
upstream: https://github.com/rsyslog/rsyslog/commit/0381a0de64a5a048c3d48b79055bd9848d0c7fc2

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