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Debian DLA-270-1 : bind9 security update

high Nessus Plugin ID 84676

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Synopsis

The remote Debian host is missing a security update.

Description

A vulnerability has been found in the Internet Domain Name Server bind9 :

CVE-2015-4620

Breno Silveira Soares of Servico Federal de Processamento de Dados (SERPRO) discovered that the BIND DNS server is prone to a denial of service vulnerability. A remote attacker who can cause a validating resolver to query a zone containing specifically constructed contents can cause the resolver to terminate with an assertion failure, resulting in a denial of service to clients relying on the resolver.

For the squeeze distribution, these issues have been fixed in version 9.7.3.dfsg-1~squeeze15 of bind9.

We recommend that you upgrade your bind9 packages.

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Upgrade the affected packages.

See Also

https://lists.debian.org/debian-lts-announce/2015/07/msg00008.html

https://packages.debian.org/source/squeeze-lts/bind9

Plugin Details

Severity: High

ID: 84676

File Name: debian_DLA-270.nasl

Version: 2.14

Type: local

Agent: unix

Published: 7/14/2015

Updated: 1/11/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.5

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:bind9utils, p-cpe:/a:debian:debian_linux:host, p-cpe:/a:debian:debian_linux:libisc62, p-cpe:/a:debian:debian_linux:libbind-dev, p-cpe:/a:debian:debian_linux:dnsutils, cpe:/o:debian:debian_linux:6.0, p-cpe:/a:debian:debian_linux:bind9-host, p-cpe:/a:debian:debian_linux:libisccc60, p-cpe:/a:debian:debian_linux:libisccfg62, p-cpe:/a:debian:debian_linux:bind9, p-cpe:/a:debian:debian_linux:libdns69, p-cpe:/a:debian:debian_linux:libbind9-60, p-cpe:/a:debian:debian_linux:bind9-doc, p-cpe:/a:debian:debian_linux:liblwres60, p-cpe:/a:debian:debian_linux:lwresd

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 7/11/2015

Reference Information

CVE: CVE-2015-4620

BID: 75588