USN-2669-1: Bind vulnerability

Ubuntu Security Notice USN-2669-1

7th July, 2015

bind9 vulnerability

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

  • Ubuntu 15.04
  • Ubuntu 14.10
  • Ubuntu 14.04 LTS
  • Ubuntu 12.04 LTS

Summary

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

Software description

  • bind9 - Internet Domain Name Server

Details

Breno Silveira Soares discovered that Bind incorrectly handled certain
zone data when configured to perform DNSSEC validation. A remote attacker
could use this issue with specially crafted zone data 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 version:

Ubuntu 15.04:
bind9 1:9.9.5.dfsg-9ubuntu0.1
Ubuntu 14.10:
bind9 1:9.9.5.dfsg-4.3ubuntu0.3
Ubuntu 14.04 LTS:
bind9 1:9.9.5.dfsg-3ubuntu0.3
Ubuntu 12.04 LTS:
bind9 1:9.8.1.dfsg.P1-4ubuntu0.11

To update your system, please follow these instructions: http://ift.tt/17VXqjU.

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

References

CVE-2015-4620



from Ubuntu Security Notices http://ift.tt/1KQ6jxL