Rocky Linux 8 : bind9.16 (RLSA-2022:6781)

high Nessus Plugin ID 167795

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-2022:6781 advisory.

- By spoofing the target resolver with responses that have a malformed EdDSA signature, an attacker can trigger a small memory leak. It is possible to gradually erode available memory to the point where named crashes for lack of resources. (CVE-2022-38178)

- By sending specific queries to the resolver, an attacker can cause named to crash. (CVE-2022-3080)

- By spoofing the target resolver with responses that have a malformed ECDSA signature, an attacker can trigger a small memory leak. It is possible to gradually erode available memory to the point where named crashes for lack of resources. (CVE-2022-38177)

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.

See Also

https://bugzilla.redhat.com/show_bug.cgi?id=2128600

https://bugzilla.redhat.com/show_bug.cgi?id=2128601

https://bugzilla.redhat.com/show_bug.cgi?id=2128602

https://errata.rockylinux.org/RLSA-2022:6781

Plugin Details

Severity: High

ID: 167795

File Name: rocky_linux_RLSA-2022-6781.nasl

Version: 1.4

Type: local

Published: 11/17/2022

Updated: 11/7/2023

Supported Sensors: Continuous Assessment, 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-2022-38178

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:bind9.16-devel, p-cpe:/a:rocky:linux:bind9.16-chroot, p-cpe:/a:rocky:linux:bind9.16-doc, p-cpe:/a:rocky:linux:bind9.16-libs, p-cpe:/a:rocky:linux:bind9.16-license, p-cpe:/a:rocky:linux:bind9.16-dnssec-utils-debuginfo, p-cpe:/a:rocky:linux:python3-bind9.16, p-cpe:/a:rocky:linux:bind9.16-debugsource, p-cpe:/a:rocky:linux:bind9.16-debuginfo, p-cpe:/a:rocky:linux:bind9.16, p-cpe:/a:rocky:linux:bind9.16-dnssec-utils, p-cpe:/a:rocky:linux:bind9.16-libs-debuginfo, cpe:/o:rocky:linux:8, p-cpe:/a:rocky:linux:bind9.16-utils, p-cpe:/a:rocky:linux:bind9.16-utils-debuginfo

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

Exploit Ease: No known exploits are available

Patch Publication Date: 10/13/2022

Vulnerability Publication Date: 10/13/2022

Reference Information

CVE: CVE-2022-3080, CVE-2022-38177, CVE-2022-38178