USN-2728-1: Bind vulnerability

Publication date

2 September 2015

Overview

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


Packages

  • bind9 - Internet Domain Name Server

Details

Hanno Böck discovered that Bind incorrectly handled certain malformed keys
when configured to perform DNSSEC validation. A remote attacker could use
this issue with specially crafted zone data to cause Bind to crash,
resulting in a denial of service.

Hanno Böck discovered that Bind incorrectly handled certain malformed keys
when configured to perform DNSSEC validation. A remote attacker could use
this issue with specially crafted zone data 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
15.04 vivid bind9 –  1:9.9.5.dfsg-9ubuntu0.3
14.04 trusty bind9 –  1:9.9.5.dfsg-3ubuntu0.5
12.04 precise bind9 –  1:9.8.1.dfsg.P1-4ubuntu0.13

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