USN-3893-2: Bind vulnerabilities

Publication date

25 February 2019

Overview

Several security issues were fixed in Bind.

Releases


Packages

  • bind9 - Internet Domain Name Server

Details

USN-3893-1 fixed a vulnerability in Bind. This update provides
the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

It was discovered that Bind incorrectly handled certain trust anchors when
used with the "managed-keys" feature. A remote attacker could possibly use
this issue to cause Bind to crash, resulting in a denial of service.
(CVE-2018-5745)

It was discovered that Bind incorrectly handled certain controls for zone
transfers, contrary to expectations. (CVE-2019-6465)

USN-3893-1 fixed a vulnerability in Bind. This update provides
the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

It was discovered that Bind incorrectly handled certain trust anchors when
used with the "managed-keys" feature. A remote attacker could possibly use
this issue to cause Bind to crash, resulting in a denial of service.
(CVE-2018-5745)

It was discovered that Bind incorrectly handled certain controls for zone
transfers, contrary to expectations. (CVE-2019-6465)

Update instructions

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

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
12.04 precise bind9 –  1:9.8.1.dfsg.P1-4ubuntu0.27

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