Bind vulnerabilities

2017-11-08T00:00:00
ID USN-3346-3
Type ubuntu
Reporter Ubuntu
Modified 2017-11-08T00:00:00

Description

USN-3346-1 and USN-3346-2 fixed two vulnerabilities in Bind and a regression, respectively. This update provides the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

Clément Berthaux discovered that Bind did not correctly check TSIG authentication for zone update requests. An attacker could use this to improperly perform zone updates. (CVE-2017-3143)

Clément Berthaux discovered that Bind did not correctly check TSIG authentication for zone transfer requests. An attacker could use this to improperly transfer entire zones. (CVE-2017-3142)

In addition, this update adds the new root zone key signing key (KSK).