Rocky Linux 8 : bind and dhcp (RLSA-2024:3271)

high Nessus Plugin ID 200608

Synopsis

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

Description

The remote Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2024:3271 advisory.

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

* 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)

Bug Fix:

* dhcp rebuilt after API change of bind-export-libs

Tenable has extracted the preceding description block directly from the Rocky 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 affected packages.

Plugin Details

Severity: High

ID: 200608

File Name: rocky_linux_RLSA-2024-3271.nasl

Version: 1.1

Type: local

Family: Rocky Linux Local Security Checks

Published: 6/14/2024

Updated: 6/14/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.1

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-2023-50387

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:rocky:linux:bind-pkcs11-devel, p-cpe:/a:rocky:linux:bind-pkcs11, p-cpe:/a:rocky:linux:bind-chroot, p-cpe:/a:rocky:linux:bind, p-cpe:/a:rocky:linux:dhcp-relay-debuginfo, p-cpe:/a:rocky:linux:bind-license, p-cpe:/a:rocky:linux:bind-libs, p-cpe:/a:rocky:linux:dhcp-server-debuginfo, p-cpe:/a:rocky:linux:bind-libs-lite-debuginfo, p-cpe:/a:rocky:linux:bind-utils-debuginfo, p-cpe:/a:rocky:linux:dhcp-debugsource, p-cpe:/a:rocky:linux:dhcp-client, cpe:/o:rocky:linux:8, p-cpe:/a:rocky:linux:bind-pkcs11-libs, p-cpe:/a:rocky:linux:bind-devel, p-cpe:/a:rocky:linux:bind-lite-devel, p-cpe:/a:rocky:linux:bind-sdb, p-cpe:/a:rocky:linux:python3-bind, p-cpe:/a:rocky:linux:bind-utils, p-cpe:/a:rocky:linux:bind-export-devel, p-cpe:/a:rocky:linux:bind-libs-debuginfo, p-cpe:/a:rocky:linux:bind-debuginfo, p-cpe:/a:rocky:linux:bind-pkcs11-utils, p-cpe:/a:rocky:linux:bind-pkcs11-utils-debuginfo, p-cpe:/a:rocky:linux:dhcp-common, p-cpe:/a:rocky:linux:dhcp-server, p-cpe:/a:rocky:linux:bind-debugsource, p-cpe:/a:rocky:linux:bind-export-libs, p-cpe:/a:rocky:linux:bind-sdb-chroot, p-cpe:/a:rocky:linux:bind-sdb-debuginfo, p-cpe:/a:rocky:linux:dhcp-debuginfo, p-cpe:/a:rocky:linux:bind-libs-lite, p-cpe:/a:rocky:linux:bind-pkcs11-libs-debuginfo, p-cpe:/a:rocky:linux:bind-export-libs-debuginfo, p-cpe:/a:rocky:linux:dhcp-client-debuginfo, p-cpe:/a:rocky:linux:bind-pkcs11-debuginfo, p-cpe:/a:rocky:linux:dhcp-libs, p-cpe:/a:rocky:linux:dhcp-libs-debuginfo, p-cpe:/a:rocky:linux:dhcp-relay

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

Exploit Ease: No known exploits are available

Patch Publication Date: 6/14/2024

Vulnerability Publication Date: 2/13/2024

Reference Information

CVE: CVE-2023-4408, CVE-2023-50387, CVE-2023-50868

IAVA: 2024-A-0103

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