USN-3119-1: Bind vulnerability

Ubuntu Security Notice USN-3119-1

1st November, 2016

bind9 vulnerability

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

  • Ubuntu 16.10
  • Ubuntu 16.04 LTS
  • 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

Tony Finch and Marco Davids discovered that Bind incorrectly handled
certain responses containing a DNAME answer. A remote attacker could
possibly use this issue 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 16.10:
bind9

1:9.10.3.dfsg.P4-10.1ubuntu1.1
Ubuntu 16.04 LTS:
bind9

1:9.10.3.dfsg.P4-8ubuntu1.2
Ubuntu 14.04 LTS:
bind9

1:9.9.5.dfsg-3ubuntu0.10
Ubuntu 12.04 LTS:
bind9

1:9.8.1.dfsg.P1-4ubuntu0.19

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-2016-8864

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