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.