USN-2693-1: Bind vulnerabilities

Ubuntu Security Notice USN-2693-1

28th July, 2015

bind9 vulnerabilities

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

Jonathan Foote discovered that Bind incorrectly handled certain TKEY
queries. A remote attacker could use this issue with a specially crafted
packet to cause Bind to crash, resulting in a denial of service.
(CVE-2015-5477)

Pories Ediansyah discovered that Bind incorrectly handled certain
configurations involving DNS64. A remote attacker could use this issue with
a specially crafted query to cause Bind to crash, resulting in a denial of
service. This issue only affected Ubuntu 12.04 LTS. (CVE-2012-5689)

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-9ubuntu0.2

Ubuntu 14.04 LTS:

bind9 1:9.9.5.dfsg-3ubuntu0.4

Ubuntu 12.04 LTS:

bind9 1:9.8.1.dfsg.P1-4ubuntu0.12

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-2012-5689, CVE-2015-5477

from Ubuntu Security Notices http://ift.tt/1D6D4pM