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GLSA-201701-26 : BIND: Denial of Service

high Nessus Plugin ID 96420

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Synopsis

The remote Gentoo host is missing one or more security-related patches.

Description

The remote host is affected by the vulnerability described in GLSA-201701-26 (BIND: Denial of Service)

 A defect in BIND’s handling of responses containing a DNAME answer can cause a resolver to exit after encountering an assertion failure in db.c or resolver.c.
 Impact :

 A remote attacker could send a specially crafted DNS request to the BIND resolver possibly resulting in a Denial of Service condition.
 Workaround :

 There is no known workaround at this time.

Solution

All BIND users should upgrade to the latest version:
 # emerge --sync # emerge --ask --oneshot --verbose '>=net-dns/bind-9.10.4_p4'

See Also

https://security.gentoo.org/glsa/201701-26

Plugin Details

Severity: High

ID: 96420

File Name: gentoo_GLSA-201701-26.nasl

Version: 3.4

Type: local

Published: 1/12/2017

Updated: 1/11/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

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

CVSS v3

Risk Factor: High

Base Score: 7.5

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

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:bind, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Patch Publication Date: 1/11/2017

Reference Information

CVE: CVE-2016-8864

GLSA: 201701-26