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Ubuntu 20.04 LTS : HTMLDOC vulnerability (USN-5198-1)

high Nessus Plugin ID 156122

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Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 20.04 LTS / 21.04 host has packages installed that are affected by a vulnerability as referenced in the USN-5198-1 advisory.

 - A flaw was found in htmldoc in v1.9.12 and before. Null pointer dereference in file_extension(),in file.c may lead to execute arbitrary code and denial of service. (CVE-2021-23180)

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

Solution

Update the affected htmldoc and / or htmldoc-common packages.

See Also

https://ubuntu.com/security/notices/USN-5198-1

Plugin Details

Severity: High

ID: 156122

File Name: ubuntu_USN-5198-1.nasl

Version: 1.6

Type: local

Agent: unix

Published: 12/16/2021

Updated: 10/23/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.3

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

CVSS Score Source: CVE-2021-23180

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

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

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

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:20.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:htmldoc, p-cpe:/a:canonical:ubuntu_linux:htmldoc-common

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 12/16/2021

Vulnerability Publication Date: 12/16/2021

Reference Information

CVE: CVE-2021-23180

USN: 5198-1