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Ubuntu 16.04 LTS USN-3088-1 Moderate: Bind Denial Of Service

ubuntu
Calendar Grey September 27, 2016
Scroller Ubuntu
Debian Security Advisory DSA-4578-1 reports a critical flaw in apache2 enabling denial of service from malformed requests. Mitigation steps outlined.
Bind could be made to crash if it received specially crafted network traffic.

Summary

Bind could be made to crash if it received specially crafted network

traffic.

Software Description:

- bind9: Internet Domain Name Server

Details:

It was discovered that Bind incorrectly handled building responses to

certain specially crafted requests. A remote attacker could possibly use

this issue to cause Bind to crash, resulting in a denial of service.

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu update instructions bind9 network issue

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 16.04 LTS:
  bind9                           1:9.10.3.dfsg.P4-8ubuntu1.1

Ubuntu 14.04 LTS:
  bind9                           1:9.9.5.dfsg-3ubuntu0.9

Ubuntu 12.04 LTS:
  bind9                           1:9.8.1.dfsg.P1-4ubuntu0.17

In general, a standard system update will make all the necessary changes.

References

CVE-2016-2776

Severity
important
Lowest
Low
Medium
High
Critical

September 27, 2016

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu update instructions bind9 network issue

Package Information

https://launchpad.net/ubuntu/+source/bind9/1:9.10.3.dfsg.P4-8ubuntu1.1
https://launchpad.net/ubuntu/+source/bind9/1:9.9.5.dfsg-3ubuntu0.9
https://launchpad.net/ubuntu/+source/bind9/1:9.8.1.dfsg.P1-4ubuntu0.17

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