Debian DSA-3094-1 : bind9 - security update

High Nessus Plugin ID 79808

Synopsis

The remote Debian host is missing a security-related update.

Description

It was discovered that BIND, a DNS server, is prone to a denial of service vulnerability.

By making use of maliciously-constructed zones or a rogue server, an attacker can exploit an oversight in the code BIND 9 uses to follow delegations in the Domain Name Service, causing BIND to issue unlimited queries in an attempt to follow the delegation.

This can lead to resource exhaustion and denial of service (up to and including termination of the named server process.)

Solution

Upgrade the bind9 packages.

For the stable distribution (wheezy), this problem has been fixed in version 1:9.8.4.dfsg.P1-6+nmu2+deb7u3.

For the upcoming stable distribution (jessie), this problem will be fixed soon.

See Also

https://packages.debian.org/source/wheezy/bind9

https://www.debian.org/security/2014/dsa-3094

Plugin Details

Severity: High

ID: 79808

File Name: debian_DSA-3094.nasl

Version: 1.11

Type: local

Agent: unix

Published: 2014/12/09

Updated: 2018/11/10

Dependencies: 12634

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 7.8

Temporal Score: 5.8

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

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:bind9, cpe:/o:debian:debian_linux:7.0

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

Exploit Available: false

Exploit Ease: No known exploits are available

Patch Publication Date: 2014/12/08

Reference Information

CVE: CVE-2014-8500

BID: 71590

DSA: 3094