USN-3119-1: Bind vulnerability

Publication date

1 November 2016

Overview

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


Packages

  • 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.

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

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
16.10 yakkety bind9 –  1:9.10.3.dfsg.P4-10.1ubuntu1.1
16.04 xenial bind9 –  1:9.10.3.dfsg.P4-8ubuntu1.2
14.04 trusty bind9 –  1:9.9.5.dfsg-3ubuntu0.10
12.04 precise bind9 –  1:9.8.1.dfsg.P1-4ubuntu0.19

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.


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