=========================================================================Ubuntu Security Notice USN-3769-2
October 01, 2018
bind9 vulnerability
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 ESM
Summary:
Bind could be made to crash if it received specially crafted network
traffic.
Software Description:
- bind9: Internet Domain Name Server
Details:
USN-3769-1 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 the deny-answer- aliases feature. If this feature is enabled, a remote attacker could
use this issue to cause Bind to crash, resulting in a denial of
service.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 12.04 ESM:
bind9 1:9.8.1.dfsg.P1-4ubuntu0.26
In general, a standard system update will make all the necessary
changes.
References:
https://ubuntu.com/security/notices/USN-3769-2
https://ubuntu.com/security/notices/USN-3769-1
CVE-2018-5740
