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Ubuntu Security Notice USN-3535-1
January 17, 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 versions:
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
In general, a standard system update will make all the necessary changes.
References:
https://www.ubuntu.com/usn/usn-3535-1
CVE-2017-3145
Package Information:
https://launchpad.net/ubuntu/+source/bind9/1:9.10.3.dfsg.P4-12.6ubuntu1.1
https://launchpad.net/ubuntu/+source/bind9/1:9.10.3.dfsg.P4-8ubuntu1.10
https://launchpad.net/ubuntu/+source/bind9/1:9.9.5.dfsg-3ubuntu0.17
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