Ubuntu Security Notice USN-2925-1
9th March, 2016
bind9 vulnerabilities
A security issue affects these releases of Ubuntu and its
derivatives:
- Ubuntu 15.10
- 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
It was discovered that Bind incorrectly handled input received by the rndc
control channel. A remote attacker could possibly use this issue to cause
Bind to crash, resulting in a denial of service. (CVE-2016-1285)
It was discovered that Bind incorrectly parsed resource record signatures
for DNAME resource records. A remote attacker could possibly use this issue
to cause Bind to crash, resulting in a denial of service. (CVE-2016-1286)
Update instructions
The problem can be corrected by updating your system to the following
package version:
- Ubuntu 15.10:
-
bind9
1:9.9.5.dfsg-11ubuntu1.3
- Ubuntu 14.04 LTS:
-
bind9
1:9.9.5.dfsg-3ubuntu0.8
- Ubuntu 12.04 LTS:
-
bind9
1:9.8.1.dfsg.P1-4ubuntu0.16
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.