USN-2925-1: Bind vulnerabilities

USN-2925-1: Bind vulnerabilities

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.

References

CVE-2016-1285,

CVE-2016-1286

Source: USN-2925-1: Bind vulnerabilities