USN-2437-1: Bind vulnerability

Ubuntu Security Notice USN-2437-1

9th December, 2014

bind9 vulnerability

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

  • Ubuntu 14.10
  • Ubuntu 14.04 LTS
  • Ubuntu 12.04 LTS
  • Ubuntu 10.04 LTS

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.

Update instructions

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

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

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

CVE-2014-8500

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