RHEL 8 : bind (RHSA-2020:4500)

medium Nessus Plugin ID 142448

Synopsis

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

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:4500 advisory.

- bind: asterisk character in an empty non-terminal can cause an assertion failure in rbtdb.c (CVE-2020-8619)

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

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

- bind: incorrect enforcement of update-policy rules of type subdomain (CVE-2020-8624)

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://cwe.mitre.org/data/definitions/617.html

https://access.redhat.com/security/cve/CVE-2020-8619

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

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

https://access.redhat.com/security/cve/CVE-2020-8624

https://access.redhat.com/errata/RHSA-2020:4500

https://bugzilla.redhat.com/1847244

https://bugzilla.redhat.com/1869473

https://bugzilla.redhat.com/1869477

https://bugzilla.redhat.com/1869480

Plugin Details

Severity: Medium

ID: 142448

File Name: redhat-RHSA-2020-4500.nasl

Version: 1.7

Type: local

Agent: unix

Published: 11/4/2020

Updated: 10/12/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.1

CVSS v2

Risk Factor: Medium

Base Score: 4

Temporal Score: 3

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

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

CVSS Score Source: CVE-2020-8624

CVSS v3

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.8

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Temporal Vector: E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:rhel_aus:8.4, cpe:/o:redhat:rhel_e4s:8.4, cpe:/o:redhat:rhel_eus:8.4, cpe:/o:redhat:rhel_tus:8.4, p-cpe:/a:redhat:enterprise_linux:bind, p-cpe:/a:redhat:enterprise_linux:bind-chroot, p-cpe:/a:redhat:enterprise_linux:bind-devel, p-cpe:/a:redhat:enterprise_linux:bind-export-devel, p-cpe:/a:redhat:enterprise_linux:bind-export-libs, p-cpe:/a:redhat:enterprise_linux:bind-libs, p-cpe:/a:redhat:enterprise_linux:bind-libs-lite, p-cpe:/a:redhat:enterprise_linux:bind-license, p-cpe:/a:redhat:enterprise_linux:bind-lite-devel, p-cpe:/a:redhat:enterprise_linux:bind-pkcs11, p-cpe:/a:redhat:enterprise_linux:bind-pkcs11-devel, p-cpe:/a:redhat:enterprise_linux:bind-pkcs11-libs, p-cpe:/a:redhat:enterprise_linux:bind-pkcs11-utils, p-cpe:/a:redhat:enterprise_linux:bind-sdb, p-cpe:/a:redhat:enterprise_linux:bind-sdb-chroot, p-cpe:/a:redhat:enterprise_linux:bind-utils, p-cpe:/a:redhat:enterprise_linux:python3-bind

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: 11/4/2020

Vulnerability Publication Date: 6/17/2020

Reference Information

CVE: CVE-2020-8619, CVE-2020-8622, CVE-2020-8623, CVE-2020-8624

RHSA: 2020:4500

IAVA: 2020-A-0276-S, 2020-A-0385-S

CWE: 400, 617