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RHEL 8 : c-ares (RHSA-2023:7207)

medium Nessus Plugin ID 185701

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Synopsis

The remote Red Hat host is missing one or more security updates for c-ares.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:7207 advisory.

 The c-ares C library defines asynchronous DNS (Domain Name System) requests and provides name resolving API.

 Security Fix(es):

 * c-ares: Heap buffer over read in ares_parse_soa_reply (CVE-2020-22217)

 * c-ares: Buffer Underwrite in ares_inet_net_pton() (CVE-2023-31130)

 For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux 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 RHEL c-ares package based on the guidance in RHSA-2023:7207.

See Also

http://www.nessus.org/u?c6a1e6ba

https://access.redhat.com/security/updates/classification/#moderate

https://bugzilla.redhat.com/show_bug.cgi?id=2209497

https://bugzilla.redhat.com/show_bug.cgi?id=2235527

https://access.redhat.com/errata/RHSA-2023:7207

Plugin Details

Severity: Medium

ID: 185701

File Name: redhat-RHSA-2023-7207.nasl

Version: 1.2

Type: local

Agent: unix

Published: 11/14/2023

Updated: 11/7/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 4.6

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

CVSS Score Source: CVE-2023-31130

CVSS v3

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 5.8

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

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:c-ares-devel, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:c-ares

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/14/2023

Vulnerability Publication Date: 5/24/2023

Reference Information

CVE: CVE-2020-22217, CVE-2023-31130

CWE: 126

RHSA: 2023:7207