USN-4197-1: Bind vulnerability

Publication date

21 November 2019

Overview

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


Packages

  • bind9 - Internet Domain Name Server

Details

It was discovered that Bind incorrectly handled certain TCP-pipelined
queries. A remote attacker could possibly use this issue to cause Bind to
consume resources, resulting in a denial of service.

It was discovered that Bind incorrectly handled certain TCP-pipelined
queries. A remote attacker could possibly use this issue to cause Bind to
consume resources, 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
19.10 eoan bind9 –  1:9.11.5.P4+dfsg-5.1ubuntu2.1
19.04 disco bind9 –  1:9.11.5.P1+dfsg-1ubuntu2.6
18.04 bionic bind9 –  1:9.11.3+dfsg-1ubuntu1.11

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