SUSE SLED12 / SLES12 Security Update : libcares2 (SUSE-SU-2023:3690-1)

medium Nessus Plugin ID 181737



The remote SUSE host is missing a security update.


The remote SUSE Linux SLED12 / SLED_SAP12 / SLES12 / SLES_SAP12 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2023:3690-1 advisory.

- Buffer overflow vulnerability in c-ares before 1_16_1 thru 1_17_0 via function ares_parse_soa_reply in ares_parse_soa_reply.c. (CVE-2020-22217)

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


Update the affected libcares-devel, libcares2 and / or libcares2-32bit packages.

See Also

Plugin Details

Severity: Medium

ID: 181737

File Name: suse_SU-2023-3690-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 9/21/2023

Updated: 10/31/2023

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

Risk Information


Risk Factor: Medium

Score: 4.4


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


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: p-cpe:/a:novell:suse_linux:libcares-devel, p-cpe:/a:novell:suse_linux:libcares2, p-cpe:/a:novell:suse_linux:libcares2-32bit, cpe:/o:novell:suse_linux:12

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/19/2023

Vulnerability Publication Date: 8/22/2023

Reference Information

CVE: CVE-2020-22217

SuSE: SUSE-SU-2023:3690-1