RHEL 8 : bind9.16 (RHSA-2023:2792)

high Nessus Plugin ID 175854

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Synopsis

The remote Red Hat host is missing one or more security updates for bind9.16.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:2792 advisory.

- bind: processing large delegations may severely degrade resolver performance (CVE-2022-2795)

- bind: flooding with UPDATE requests may lead to DoS (CVE-2022-3094)

- bind: sending specific queries to the resolver may cause a DoS (CVE-2022-3736, CVE-2022-3924)

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 bind9.16 package based on the guidance in RHSA-2023:2792.

Plugin Details

Severity: High

ID: 175854

File Name: redhat-RHSA-2023-2792.nasl

Version: 1.3

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 5/16/2023

Updated: 4/28/2024

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

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-2022-3924

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: cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:bind9.16, p-cpe:/a:redhat:enterprise_linux:bind9.16-chroot, p-cpe:/a:redhat:enterprise_linux:bind9.16-devel, p-cpe:/a:redhat:enterprise_linux:bind9.16-dnssec-utils, p-cpe:/a:redhat:enterprise_linux:bind9.16-doc, p-cpe:/a:redhat:enterprise_linux:bind9.16-libs, p-cpe:/a:redhat:enterprise_linux:bind9.16-license, p-cpe:/a:redhat:enterprise_linux:bind9.16-utils, p-cpe:/a:redhat:enterprise_linux:python3-bind9.16

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: 5/16/2023

Vulnerability Publication Date: 9/21/2022

Reference Information

CVE: CVE-2022-2795, CVE-2022-3094, CVE-2022-3736, CVE-2022-3924

CWE: 20, 400

RHSA: 2023:2792

Detections

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