RHEL 7 : bind (RHSA-2020:4992)

high Nessus Plugin ID 142672

Synopsis

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

Description

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:4992 advisory.

- bind: truncated TSIG response can lead to an assertion failure (CVE-2020-8622)

- bind: remotely triggerable assertion failure in pk11.c (CVE-2020-8623)

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 affected packages.

See Also

https://cwe.mitre.org/data/definitions/400.html

https://access.redhat.com/security/cve/CVE-2020-8622

https://bugzilla.redhat.com/1869473

https://access.redhat.com/security/cve/CVE-2020-8623

https://bugzilla.redhat.com/1869477

https://access.redhat.com/errata/RHSA-2020:4992

Plugin Details

Severity: High

ID: 142672

File Name: redhat-RHSA-2020-4992.nasl

Version: 1.7

Type: local

Agent: unix

Published: 11/10/2020

Updated: 10/12/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS Score Source: CVE-2020-8623

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:2.3:o:redhat:rhel_eus:7.6:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:bind:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:bind-chroot:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:bind-devel:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:bind-libs:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:bind-sdb:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:bind-utils:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:bind-libs-lite:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:bind-license:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:bind-lite-devel:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:bind-pkcs11:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:bind-pkcs11-devel:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:bind-pkcs11-libs:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:bind-pkcs11-utils:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:bind-sdb-chroot:*:*:*:*:*:*:*, cpe:2.3:o:redhat:rhel_aus:7.6:*:*:*:*:*:*:*, cpe:2.3:o:redhat:rhel_e4s:7.6:*:*:*:*:*:*:*, cpe:2.3:o:redhat:rhel_tus:7.6:*:*:*:*:*:*:*

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: 11/10/2020

Vulnerability Publication Date: 8/20/2020

Reference Information

CVE: CVE-2020-8622, CVE-2020-8623

CWE: 400

RHSA: 2020:4992

IAVA: 2020-A-0385-S