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SUSE SLED15 / SLES15 / openSUSE 15 Security Update : c-ares (SUSE-SU-2023:2313-1)

medium Nessus Plugin ID 176511

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Synopsis

The remote SUSE host is missing one or more security updates.

Description

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2023:2313-1 advisory.

 Update to version 1.19.1:

 - CVE-2023-32067: 0-byte UDP payload causes Denial of Service (bsc#1211604)
 - CVE-2023-31147: Insufficient randomness in generation of DNS query IDs (bsc#1211605)
 - CVE-2023-31130: Buffer Underwrite in ares_inet_net_pton() (bsc#1211606)
 - CVE-2023-31124: AutoTools does not set CARES_RANDOM_FILE during cross compilation (bsc#1211607)
 - Fix uninitialized memory warning in test
 - ares_getaddrinfo() should allow a port of 0
 - Fix memory leak in ares_send() on error
 - Fix comment style in ares_data.h
 - Fix typo in ares_init_options.3
 - Sync ax_pthread.m4 with upstream
 - Sync ax_cxx_compile_stdcxx_11.m4 with upstream to fix uclibc support

Tenable has extracted the preceding description block directly from the SUSE security advisory.

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

Solution

Update the affected c-ares-devel, c-ares-utils, libcares2 and / or libcares2-32bit packages.

See Also

https://bugzilla.suse.com/1211604

https://bugzilla.suse.com/1211605

https://bugzilla.suse.com/1211606

https://bugzilla.suse.com/1211607

https://www.suse.com/security/cve/CVE-2023-31124

https://www.suse.com/security/cve/CVE-2023-31130

https://www.suse.com/security/cve/CVE-2023-31147

https://www.suse.com/security/cve/CVE-2023-32067

http://www.nessus.org/u?dc87aa4b

Plugin Details

Severity: Medium

ID: 176511

File Name: suse_SU-2023-2313-1.nasl

Version: 1.7

Type: Local

Agent: unix

Published: 5/31/2023

Updated: 6/26/2026

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.79

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

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

CVSS Score Source: CVE-2023-31147

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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

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

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:libcares2, p-cpe:/a:novell:suse_linux:c-ares-devel

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

Exploit Ease: No known exploits are available

Patch Publication Date: 5/30/2023

Vulnerability Publication Date: 5/24/2023

Reference Information

CVE: CVE-2023-31124, CVE-2023-31130, CVE-2023-31147, CVE-2023-32067

SuSE: SUSE-SU-2023:2313-1