1. Ubuntu Security Notices
  2. USN-3769-1

USN-3769-1: Bind vulnerability

Publication date

20 September 2018

Overview

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

Releases

Packages

  • bind9 - Internet Domain Name Server

Details

It was discovered that Bind incorrectly handled the deny-answer-aliases
feature. If this feature is enabled, a remote attacker could use this issue
to cause Bind to crash, resulting in a denial of service.

It was discovered that Bind incorrectly handled the deny-answer-aliases
feature. If this feature is enabled, a remote attacker could 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
18.04 bionic bind9 –  1:9.11.3+dfsg-1ubuntu1.2
16.04 xenial bind9 –  1:9.10.3.dfsg.P4-8ubuntu1.11
14.04 trusty bind9 –  1:9.9.5.dfsg-3ubuntu0.18

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References

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