USN-2728-1: Bind vulnerability

Ubuntu Security Notice USN-2728-1

2nd September, 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 version:

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

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-2015-5722

from Ubuntu Security Notices http://ift.tt/1KJ6DPJ