USN-3172-1: Bind vulnerabilities

Releases

• Ubuntu 16.10
• Ubuntu 16.04 ESM
• Ubuntu 14.04 ESM
• Ubuntu 12.04

Packages

• 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 versions:

Ubuntu 16.10

• bind9 - 1:9.10.3.dfsg.P4-10.1ubuntu1.2

Ubuntu 16.04

• bind9 - 1:9.10.3.dfsg.P4-8ubuntu1.4

Ubuntu 14.04

• bind9 - 1:9.9.5.dfsg-3ubuntu0.11

Ubuntu 12.04

• bind9 - 1:9.8.1.dfsg.P1-4ubuntu0.20

In general, a standard system update will make all the necessary changes.

References

• CVE-2016-9131
• CVE-2016-9147
• CVE-2016-9444