Debian DLA-3032-1 : pngcheck - LTS security update

low Nessus Plugin ID 161685

Synopsis

The remote Debian host is missing a security-related update.

Description

The remote Debian 9 host has a package installed that is affected by a vulnerability as referenced in the dla-3032 advisory.

A flaw was found in the check_chunk_name() function of pngcheck, a tool to verify the integrity of PNG, JNG and MNG files. This flaw allows an attacker who can pass a malicious file to be processed by pngcheck to cause a temporary denial of service. For Debian 9 stretch, this problem has been fixed in version 2.3.0-7+deb9u1. We recommend that you upgrade your pngcheck packages. For the detailed security status of pngcheck please refer to its security tracker page at: https://security- tracker.debian.org/tracker/pngcheck 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 this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade the pngcheck packages.

For Debian 9 stretch, this problem has been fixed in version 2.3.0-7+deb9u1.

See Also

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=976350

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

https://www.debian.org/lts/security/2022/dla-3032

https://security-tracker.debian.org/tracker/CVE-2020-27818

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

Plugin Details

Severity: Low

ID: 161685

File Name: debian_DLA-3032.nasl

Version: 1.3

Type: local

Agent: unix

Published: 5/31/2022

Updated: 1/24/2025

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

Risk Information

VPR

Risk Factor: Low

Score: 1.4

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

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

CVSS Score Source: CVE-2020-27818

CVSS v3

Risk Factor: Low

Base Score: 3.3

Temporal Score: 2.9

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

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:pngcheck, cpe:/o:debian:debian_linux:9.0

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

Exploit Ease: No known exploits are available

Patch Publication Date: 5/29/2022

Vulnerability Publication Date: 12/8/2020

Reference Information

CVE: CVE-2020-27818