USN-3535-1: Bind vulnerability
Ubuntu Security Notice USN-3535-1
17th January, 2018
bind9 vulnerability
A security issue affects these releases of Ubuntu and its
derivatives:
- Ubuntu 17.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
Summary
Bind could be made to crash if it received specially crafted network
traffic.
Software description
- bind9
– Internet Domain Name Server
Details
Jayachandran Palanisamy discovered that the Bind resolver incorrectly
handled fetch cleanup sequencing. A remote attacker could possibly 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 version:
- Ubuntu 17.10:
-
bind9
1:9.10.3.dfsg.P4-12.6ubuntu1.1
- Ubuntu 16.04 LTS:
-
bind9
1:9.10.3.dfsg.P4-8ubuntu1.10
- Ubuntu 14.04 LTS:
-
bind9
1:9.9.5.dfsg-3ubuntu0.17
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-3535-1: Bind vulnerability
