Debian DLA-2835-1 : rsyslog - LTS security update

critical Nessus Plugin ID 155738

Synopsis

The remote Debian host is missing one or more security-related updates.

Description

The remote Debian 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-2835 advisory.

Two heap overflows were fixed in the rsyslog logging daemon. CVE-2019-17041 Heap overflow in the AIX message parser. CVE-2019-17042 Heap overflow in the Cisco log message parser. For Debian 9 stretch, these problems have been fixed in version 8.24.0-1+deb9u1. We recommend that you upgrade your rsyslog packages.
For the detailed security status of rsyslog please refer to its security tracker page at:
https://security-tracker.debian.org/tracker/rsyslog Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at:
https://wiki.debian.org/LTS

Tenable has extracted the preceding description block directly from the Debian security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Upgrade the rsyslog packages.

For Debian 9 stretch, these problems have been fixed in version 8.24.0-1+deb9u1.

See Also

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=942065

https://security-tracker.debian.org/tracker/source-package/rsyslog

https://www.debian.org/lts/security/2021/dla-2835

https://security-tracker.debian.org/tracker/CVE-2019-17041

https://security-tracker.debian.org/tracker/CVE-2019-17042

https://packages.debian.org/source/stretch/rsyslog

Plugin Details

Severity: Critical

ID: 155738

File Name: debian_DLA-2835.nasl

Version: 1.3

Type: local

Agent: unix

Published: 12/1/2021

Updated: 1/24/2025

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2019-17042

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS v4

Risk Factor: Critical

Base Score: 9.3

Threat Score: 8.1

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:rsyslog-czmq, p-cpe:/a:debian:debian_linux:rsyslog-mongodb, p-cpe:/a:debian:debian_linux:rsyslog-mysql, cpe:/o:debian:debian_linux:9.0, p-cpe:/a:debian:debian_linux:rsyslog-pgsql, p-cpe:/a:debian:debian_linux:rsyslog-hiredis, p-cpe:/a:debian:debian_linux:rsyslog-kafka, p-cpe:/a:debian:debian_linux:rsyslog-gssapi, p-cpe:/a:debian:debian_linux:rsyslog-relp, p-cpe:/a:debian:debian_linux:rsyslog, p-cpe:/a:debian:debian_linux:rsyslog-gnutls, p-cpe:/a:debian:debian_linux:rsyslog-elasticsearch

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 11/30/2021

Vulnerability Publication Date: 10/7/2019

Reference Information

CVE: CVE-2019-17041, CVE-2019-17042