Debian DSA-3758-1 : bind9 - security update

high Nessus Plugin ID 96460

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Synopsis

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

Description

Several denial-of-service vulnerabilities (assertion failures) were discovered in BIND, a DNS server implementation.

- CVE-2016-9131 A crafted upstream response to an ANY query could cause an assertion failure.

- CVE-2016-9147 A crafted upstream response with self-contradicting DNSSEC data could cause an assertion failure.

- CVE-2016-9444 Specially crafted upstream responses with a DS record could cause an assertion failure.

These vulnerabilities predominantly affect DNS servers providing recursive service. Client queries to authoritative-only servers cannot trigger these assertion failures. These vulnerabilities are present whether or not DNSSEC validation is enabled in the server configuration.

Solution

Upgrade the bind9 packages.

For the stable distribution (jessie), these problems have been fixed in version 1:9.9.5.dfsg-9+deb8u9.

Plugin Details

Severity: High

ID: 96460

File Name: debian_DSA-3758.nasl

Version: 3.9

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 1/13/2017

Updated: 1/11/2021

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/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:debian:debian_linux:bind9, cpe:/o:debian:debian_linux:8.0

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

Exploit Ease: No known exploits are available

Patch Publication Date: 1/11/2017

Reference Information

CVE: CVE-2016-9131, CVE-2016-9147, CVE-2016-9444

DSA: 3758

Detections

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