Rocky Linux 8 [CIQ] Security Update: bind9.16 / bind9.16-chroot / bind9.16-debuginfo / etc Multiple Vulnerabilities (crlsa-2024_1781)

high Nessus Plugin ID 354643

Synopsis

The Rocky Linux host is missing one or more security updates.

Description

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-2024_1781 advisory.

* bind9: Parsing large DNS messages may cause excessive CPU load (CVE-2023-4408)

* bind9: Querying RFC 1918 reverse zones may cause an assertion failure when nxdomain-redirect is enabled (CVE-2023-5517)

* bind9: Enabling both DNS64 and serve-stale may cause an assertion failure during recursive resolution (CVE-2023-5679)

* bind9: Specific recursive query patterns may lead to an out-of-memory condition (CVE-2023-6516)

* bind9: KeyTrap - Extreme CPU consumption in DNSSEC validator (CVE-2023-50387)

* bind9: Preparing an NSEC3 closest encloser proof can exhaust CPU resources (CVE-2023-50868)

Tenable has extracted the preceding description block directly from the CIQ 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 packages based on the guidance in CIQ advisory crlsa-2024_1781.

Plugin Details

Severity: High

ID: 354643

File Name: ciq_rocky_linux_8_crlsa-2024_1781.nasl

Version: 1.1

Type: Local

Family: Rocky Linux Local Security Checks

Published: 10/1/2026

Updated: 10/1/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.7

Percentile: 96.49

Vendor

Vendor Severity: Unknown

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.1

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

CVSS Score Source: CVE-2023-6516

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

Vector: CVSS:3.0/AV:N/AC:L/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

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/RockyLinux/release, Host/RockyLinux/rpm-list, Host/OS/extended-third-party

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/6/2024

Vulnerability Publication Date: 8/19/2021

Reference Information

CVE: CVE-2023-4408, CVE-2023-50387, CVE-2023-50868, CVE-2023-5517, CVE-2023-5679, CVE-2023-6516

Detections

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