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Ubuntu Security Notice USN-3535-1

Ubuntu Security Notice USN-3535-1
Posted Jan 17, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3535-1 - 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.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2017-3145
MD5 | dc8c13f698fc3b21ad070a8da1f40f56

Ubuntu Security Notice USN-3535-1

Change Mirror Download
==========================================================================
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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