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-2.4.0. An attacker able to pass a malicious file to be processed by pngcheck could cause a temporary denial of service, posing a low risk to application availability. (CVE-2020-27818)

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: 1.2

Type: local

Agent: unix

Published: 5/31/2022

Updated: 5/31/2022

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

Risk Information

VPR

Risk Factor: Low

Score: 2.2

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

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

Temporal Vector: E:U/RL:OF/RC:C

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: 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