RHEL 9 : python-dns (RHSA-2024:9423)

high Nessus Plugin ID 210797

Synopsis

The remote Red Hat host is missing a security update for python-dns.

Description

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2024:9423 advisory.

The python-dns package contains the dnslib module that implements a DNS client and additional modules that define certain symbolic constants used by DNS, such as dnstype, dnsclass and dnsopcode.

Security Fix(es):

* dnspython: denial of service in stub resolver (CVE-2023-29483)

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.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 9.5 Release Notes linked from 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 this issue but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL python-dns package based on the guidance in RHSA-2024:9423.

See Also

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

https://bugzilla.redhat.com/show_bug.cgi?id=2274520

http://www.nessus.org/u?bb08292d

https://issues.redhat.com/browse/RHEL-32663

http://www.nessus.org/u?626cecac

https://access.redhat.com/errata/RHSA-2024:9423

Plugin Details

Severity: High

ID: 210797

File Name: redhat-RHSA-2024-9423.nasl

Version: 1.1

Type: local

Agent: unix

Published: 11/12/2024

Updated: 11/12/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.5

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2023-29483

CVSS v3

Risk Factor: High

Base Score: 7

Temporal Score: 6.1

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

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

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:redhat:enterprise_linux:python-dns, p-cpe:/a:redhat:enterprise_linux:python3-dns

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

Exploit Ease: No known exploits are available

Patch Publication Date: 11/12/2024

Vulnerability Publication Date: 4/4/2024

Reference Information

CVE: CVE-2023-29483

CWE: 696

RHSA: 2024:9423