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Debian dla-3480 : ruby-redcloth - security update

high Nessus Plugin ID 178396

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Synopsis

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

Description

The remote Debian 10 host has a package installed that is affected by a vulnerability as referenced in the dla-3480 advisory.

 - ------------------------------------------------------------------------- Debian LTS Advisory DLA-3480-1 [email protected] https://www.debian.org/lts/security/ Bastien Roucaris July 06, 2023 https://wiki.debian.org/LTS
 - -------------------------------------------------------------------------

 Package : ruby-redcloth Version : 4.3.2-3+deb10u1 CVE ID : CVE-2023-31606 Debian Bug : 1040488

 A Regular Expression Denial of Service (ReDoS) issue was discovered in the sanitize_html function of redcloth gem.
 This vulnerability allows attackers to cause a Denial of Service (DoS) via supplying a crafted payload.

 For Debian 10 buster, this problem has been fixed in version 4.3.2-3+deb10u1.

 We recommend that you upgrade your ruby-redcloth packages.

 For the detailed security status of ruby-redcloth please refer to its security tracker page at:
 https://security-tracker.debian.org/tracker/ruby-redcloth

 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 ruby-redcloth packages.

See Also

http://www.nessus.org/u?5254a1cd

https://security-tracker.debian.org/tracker/CVE-2023-31606

https://packages.debian.org/source/buster/ruby-redcloth

Plugin Details

Severity: High

ID: 178396

File Name: debian_DLA-3480.nasl

Version: 1.1

Type: local

Agent: unix

Published: 7/18/2023

Updated: 1/22/2025

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.1

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

CVSS Score Source: CVE-2023-31606

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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

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

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:10.0, p-cpe:/a:debian:debian_linux:ruby-redcloth

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/17/2023

Vulnerability Publication Date: 6/6/2023

Reference Information

CVE: CVE-2023-31606