==========================================================================
Ubuntu Security Notice USN-2728-1
September 02, 2015

bind9 vulnerability
==========================================================================

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

– 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:

Hanno Böck discovered that Bind incorrectly handled certain malformed keys
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 versions:

Ubuntu 15.04:
bind9 1:9.9.5.dfsg-9ubuntu0.3

Ubuntu 14.04 LTS:
bind9 1:9.9.5.dfsg-3ubuntu0.5

Ubuntu 12.04 LTS:
bind9 1:9.8.1.dfsg.P1-4ubuntu0.13

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

References:
http://www.ubuntu.com/usn/usn-2728-1
CVE-2015-5722

Package Information:
https://launchpad.net/ubuntu/+source/bind9/1:9.9.5.dfsg-9ubuntu0.3
https://launchpad.net/ubuntu/+source/bind9/1:9.9.5.dfsg-3ubuntu0.5
https://launchpad.net/ubuntu/+source/bind9/1:9.8.1.dfsg.P1-4ubuntu0.13

—–BEGIN PGP SIGNATURE—–
Version: GnuPG v2
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=nizC
—–END PGP SIGNATURE—–
—