Ubuntu 14.10: 2437-1 Moderate: Bind Denial Of Service Risk

ubuntu

December 9, 2014

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

Summary

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

traffic.

Software Description:

- bind9: Internet Domain Name Server

Details:

Florian Maury discovered that Bind incorrectly handled delegation. A remote

attacker could possibly use this issue to cause Bind to consume resources

and crash, resulting in a denial of service.

Topics Covered

security advisory denial of service Ubuntu moderate severity network traffic bind9

Update Instructions

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

Ubuntu 14.10:
  bind9                           1:9.9.5.dfsg-4.3ubuntu0.1

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

Ubuntu 12.04 LTS:
  bind9                           1:9.8.1.dfsg.P1-4ubuntu0.9

Ubuntu 10.04 LTS:
  bind9                           1:9.7.0.dfsg.P1-1ubuntu0.12

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