USN-4197-1: Bind vulnerability
bind9 vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 19.10
- Ubuntu 19.04
- Ubuntu 18.04 LTS
Summary
Bind could be made to consume resources if it received specially crafted
network traffic.
Software Description
- bind9 – Internet Domain Name Server
Details
It was discovered that Bind incorrectly handled certain TCP-pipelined
queries. A remote attacker could possibly use this issue to cause Bind to
consume resources, resulting in a denial of service.
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 19.10
- bind9 – 1:9.11.5.P4+dfsg-5.1ubuntu2.1
- Ubuntu 19.04
- bind9 – 1:9.11.5.P1+dfsg-1ubuntu2.6
- Ubuntu 18.04 LTS
- bind9 – 1:9.11.3+dfsg-1ubuntu1.11
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-4197-1: Bind vulnerability
