N/A - USN-3119-1

Executive Summary

Summary
Title	Bind vulnerability

Informations
Name	USN-3119-1	First vendor Publication	2016-11-01
Vendor	Ubuntu	Last vendor Modification	2016-11-01
Severity (Vendor)	N/A	Revision	N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score	NA
Base Score	NA	Environmental Score	NA
impact SubScore	NA	Temporal Score	NA
Exploitabality Sub Score	NA

Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector :
Cvss Base Score	N/A	Attack Range	N/A
Cvss Impact Score	N/A	Attack Complexity	N/A
Cvss Expoit Score	N/A	Authentication	N/A
Calculate full CVSS 2.0 Vectors scores

Detail

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 16.10 - Ubuntu 16.04 LTS - Ubuntu 14.04 LTS - Ubuntu 12.04 LTS

Summary:

Bind could be made to crash if it received specially crafted network traffic.

Software Description: - bind9: Internet Domain Name Server

Details:

Tony Finch and Marco Davids discovered that Bind incorrectly handled certain responses containing a DNAME answer. A remote attacker could possibly use this issue to cause Bind to crash, resulting in a denial of service.

Update instructions:

The problem can be corrected by updating your system to the following package versions:

Ubuntu 16.10:
bind9 1:9.10.3.dfsg.P4-10.1ubuntu1.1

Ubuntu 16.04 LTS:
bind9 1:9.10.3.dfsg.P4-8ubuntu1.2

Ubuntu 14.04 LTS:
bind9 1:9.9.5.dfsg-3ubuntu0.10

Ubuntu 12.04 LTS:
bind9 1:9.8.1.dfsg.P1-4ubuntu0.19

In general, a standard system update will make all the necessary changes.

References:
http://www.ubuntu.com/usn/usn-3119-1
CVE-2016-8864

Package Information:
https://launchpad.net/ubuntu/+source/bind9/1:9.10.3.dfsg.P4-10.1ubuntu1.1
https://launchpad.net/ubuntu/+source/bind9/1:9.10.3.dfsg.P4-8ubuntu1.2
https://launchpad.net/ubuntu/+source/bind9/1:9.9.5.dfsg-3ubuntu0.10
https://launchpad.net/ubuntu/+source/bind9/1:9.8.1.dfsg.P1-4ubuntu0.19