USN-2693-1: Bind vulnerabilities
Ubuntu Security Notice USN-2693-1
28th July, 2015
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 15.04
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS
Bind could be made to crash if it received specially crafted network traffic.
- bind9 - Internet Domain Name Server
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.
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)
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: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.