USN-3172-1: Bind vulnerabilities

USN-3172-1: Bind vulnerabilities

Ubuntu Security Notice USN-3172-1

12th January, 2017

bind9 vulnerabilities

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

Several security issues were fixed in Bind.

Software description

• bind9
  – Internet Domain Name Server

Details

It was discovered that Bind incorrectly handled certain malformed responses
to an ANY query. A remote attacker could possibly use this issue to cause
Bind to crash, resulting in a denial of service. (CVE-2016-9131)

It was discovered that Bind incorrectly handled certain malformed responses
to an ANY query. A remote attacker could possibly use this issue to cause
Bind to crash, resulting in a denial of service. (CVE-2016-9147)

It was discovered that Bind incorrectly handled certain malformed DS record
responses. A remote attacker could possibly use this issue to cause Bind to
crash, resulting in a denial of service. This issue only affected Ubuntu
14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 16.10. (CVE-2016-9444)

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.P4-10.1ubuntu1.2

Ubuntu 16.04 LTS:

bind9

1:9.10.3.dfsg.P4-8ubuntu1.4

Ubuntu 14.04 LTS:

bind9

1:9.9.5.dfsg-3ubuntu0.11

Ubuntu 12.04 LTS:

bind9

1:9.8.1.dfsg.P1-4ubuntu0.20

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-2016-9131,

CVE-2016-9147,

CVE-2016-9444

Source: USN-3172-1: Bind vulnerabilities