USN-1601-1: Bind vulnerability

10 October 2012

bind9 vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 12.04 LTS
  • Ubuntu 11.10
  • Ubuntu 11.04
  • Ubuntu 10.04 LTS
  • Ubuntu 8.04 LTS

Summary

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

Software Description

  • bind9 - Internet Domain Name Server

Details

Jake Montgomery discovered that Bind incorrectly handled certain specific combinations of RDATA. A remote attacker could use this flaw to cause Bind to crash, resulting in a denial of service.

Update instructions

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

Ubuntu 12.04 LTS
bind9 - 1:9.8.1.dfsg.P1-4ubuntu0.4
Ubuntu 11.10
bind9 - 1:9.7.3.dfsg-1ubuntu4.5
Ubuntu 11.04
bind9 - 1:9.7.3.dfsg-1ubuntu2.7
Ubuntu 10.04 LTS
bind9 - 1:9.7.0.dfsg.P1-1ubuntu0.8
Ubuntu 8.04 LTS
bind9 - 1:9.4.2.dfsg.P2-2ubuntu0.12

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References