USN-2837-1: Bind vulnerability

Ubuntu Security Notice USN-2837-1

15th December, 2015

bind9 vulnerability

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

  • Ubuntu 15.10
  • Ubuntu 15.04
  • 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

It was discovered that Bind incorrectly handled responses with malformed
class attributes. A remote attacker could 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 15.10:
bind9

1:9.9.5.dfsg-11ubuntu1.1
Ubuntu 15.04:
bind9

1:9.9.5.dfsg-9ubuntu0.4
Ubuntu 14.04 LTS:
bind9

1:9.9.5.dfsg-3ubuntu0.6
Ubuntu 12.04 LTS:
bind9

1:9.8.1.dfsg.P1-4ubuntu0.14

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-2015-8000

Source: ubuntu-usn

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