USN-3956-2: Bind vulnerability
bind9 vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 14.04 ESM
- Ubuntu 12.04 ESM
Summary
Bind could be made to consume resources if it received specially crafted
network traffic.
Software Description
- bind9 – Internet Domain Name Server
Details
USN-3956-1 fixed a vulnerability in Bind. This update provides
the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.
Original advisory details:
It was discovered that Bind incorrectly handled limiting the number of
simultaneous TCP clients. A remote attacker could possibly use this issue
to cause Bind to consume resources, leading to a denial of service.
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 14.04 ESM
- bind9 – 1:9.9.5.dfsg-3ubuntu0.19+esm1
- Ubuntu 12.04 ESM
- bind9 – 1:9.8.1.dfsg.P1-4ubuntu0.28
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-3956-2: Bind vulnerability
