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RHEL 6 : bind (RHSA-2020:4183)

medium Nessus Plugin ID 141265

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Synopsis

The remote Red Hat host is missing a security update for bind.

Description

The remote Redhat Enterprise Linux 6 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2020:4183 advisory.

 The Berkeley Internet Name Domain (BIND) is an implementation of the Domain Name System (DNS) protocols.
 BIND includes a DNS server (named); a resolver library (routines for applications to use when interfacing with DNS); and tools for verifying that the DNS server is operating correctly.

 Security Fix(es):

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

 For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

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 RHEL bind package based on the guidance in RHSA-2020:4183.

See Also

http://www.nessus.org/u?a78821e1

https://access.redhat.com/security/updates/classification/#moderate

https://access.redhat.com/errata/RHSA-2020:4183

https://bugzilla.redhat.com/show_bug.cgi?id=1869473

Plugin Details

Severity: Medium

ID: 141265

File Name: redhat-RHSA-2020-4183.nasl

Version: 1.10

Type: local

Agent: unix

Published: 10/7/2020

Updated: 11/8/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: Medium

Base Score: 4

Temporal Score: 3

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

CVSS Score Source: CVE-2020-8622

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

Vector: CVSS:3.0/AV:N/AC:L/PR:L/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:redhat:enterprise_linux:bind-utils, p-cpe:/a:redhat:enterprise_linux:bind-sdb, p-cpe:/a:redhat:enterprise_linux:bind-chroot, cpe:/o:redhat:enterprise_linux:6, p-cpe:/a:redhat:enterprise_linux:bind, p-cpe:/a:redhat:enterprise_linux:bind-devel, p-cpe:/a:redhat:enterprise_linux:bind-libs

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: 10/7/2020

Vulnerability Publication Date: 8/20/2020

Reference Information

CVE: CVE-2020-8622

CWE: 400

IAVA: 2020-A-0385-S

RHSA: 2020:4183