Ubuntu Security Notice USN-3119-1
1st November, 2016
bind9 vulnerability
A security issue affects these releases of Ubuntu and its
derivatives:
- Ubuntu 16.10
- Ubuntu 16.04 LTS
- 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
Tony Finch and Marco Davids discovered that Bind incorrectly handled
certain responses containing a DNAME answer. A remote attacker could
possibly 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 16.10:
-
bind9
1:9.10.3.dfsg.P4-10.1ubuntu1.1
- Ubuntu 16.04 LTS:
-
bind9
1:9.10.3.dfsg.P4-8ubuntu1.2
- Ubuntu 14.04 LTS:
-
bind9
1:9.9.5.dfsg-3ubuntu0.10
- Ubuntu 12.04 LTS:
-
bind9
1:9.8.1.dfsg.P1-4ubuntu0.19
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.