USN-3893-2: Bind vulnerabilities
bind9 vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 ESM
Summary
Several security issues were fixed in Bind.
Software Description
- 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)
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.P1-4ubuntu0.27
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.
References
Source: USN-3893-2: Bind vulnerabilities