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Debian dla-3567 : libc-ares-dev - security update

medium Nessus Plugin ID 181511

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Synopsis

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

Description

The remote Debian 10 host has packages installed that are affected by a vulnerability as referenced in the dla-3567 advisory.

 - ------------------------------------------------------------------------- Debian LTS Advisory DLA-3567-1 [email protected] https://www.debian.org/lts/security/ Anton Gladky September 15, 2023 https://wiki.debian.org/LTS
 - -------------------------------------------------------------------------

 Package : c-ares Version : 1.14.0-1+deb10u4 CVE ID : CVE-2020-22217

 A vulnerability has been identified in c-ares, an asynchronous name resolver library:

 CVE-2020-22217:

 A buffer overflow vulnerability has been found in c-ares before via the function ares_parse_soa_reply in ares_parse_soa_reply.c.
 This vulnerability was discovered through fuzzing. Exploitation of this vulnerability may allow an attacker to execute arbitrary code or cause a denial of service condition.

 For Debian 10 buster, this problem has been fixed in version 1.14.0-1+deb10u4.

 We recommend that you upgrade your c-ares packages.

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

 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 libc-ares-dev packages.

See Also

https://security-tracker.debian.org/tracker/source-package/c-ares

https://security-tracker.debian.org/tracker/CVE-2020-22217

https://packages.debian.org/source/buster/c-ares

Plugin Details

Severity: Medium

ID: 181511

File Name: debian_DLA-3567.nasl

Version: 1.3

Type: local

Agent: unix

Published: 9/17/2023

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: Medium

Base Score: 5.4

Temporal Score: 4.2

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

CVSS Score Source: CVE-2020-22217

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 5.3

Vector: CVSS:3.0/AV:N/AC:H/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:libc-ares-dev, p-cpe:/a:debian:debian_linux:libc-ares2

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: 9/15/2023

Vulnerability Publication Date: 8/22/2023

Reference Information

CVE: CVE-2020-22217