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Ubuntu Security Notice USN-2925-1
March 09, 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 versions:
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
In general, a standard system update will make all the necessary changes.
References:
http://www.ubuntu.com/usn/usn-2925-1
CVE-2016-1285, CVE-2016-1286
Package Information:
https://launchpad.net/ubuntu/+source/bind9/1:9.9.5.dfsg-11ubuntu1.3
https://launchpad.net/ubuntu/+source/bind9/1:9.9.5.dfsg-3ubuntu0.8
https://launchpad.net/ubuntu/+source/bind9/1:9.8.1.dfsg.P1-4ubuntu0.16
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