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Ubuntu 12.10 & 12.04 LTS USN-1657-1: Bind Denial Of Service Risk

ubuntu
Calendar Grey December 6, 2012
Scroller Ubuntu
=========================================================================Ubuntu Security Notice USN-
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 certain crafted queries

when DNS64 was enabled. A remote attacker could use this flaw to cause Bind

to crash, resulting in a denial of service.

Topics%20covered

Topics Covered

security advisory denial of service bind network traffic ubuntu crash issue

Update Instructions

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

Ubuntu 12.10:
  bind9                           1:9.8.1.dfsg.P1-4.2ubuntu3.1

Ubuntu 12.04 LTS:
  bind9                           1:9.8.1.dfsg.P1-4ubuntu0.5

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

References

https://ubuntu.com/security/notices/USN-1657-1

CVE-2012-5688

Severity
critical
Lowest
Low
Medium
High
Critical

December 06, 2012

Topics%20covered

Topics Covered

security advisory denial of service bind network traffic ubuntu crash issue

Package Information

https://launchpad.net/ubuntu/+source/bind9/1:9.8.1.dfsg.P1-4.2ubuntu3.1
https://launchpad.net/ubuntu/+source/bind9/1:9.8.1.dfsg.P1-4ubuntu0.5

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