Ubuntu Security Notice 1601-1 - Jake Montgomery discovered that Bind incorrectly handled certain specific combinations of RDATA. A remote attacker could use this flaw to cause Bind to crash, resulting in a denial of service.
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Ubuntu Security Notice USN-1601-1
October 10, 2012
bind9 vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 LTS
- Ubuntu 11.10
- Ubuntu 11.04
- Ubuntu 10.04 LTS
- Ubuntu 8.04 LTS
Summary:
Bind could be made to crash if it received specially crafted network
traffic.
Software Description:
- bind9: Internet Domain Name Server
Details:
Jake Montgomery discovered that Bind incorrectly handled certain specific
combinations of RDATA. A remote attacker could use this flaw 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 12.04 LTS:
bind9 1:9.8.1.dfsg.P1-4ubuntu0.4
Ubuntu 11.10:
bind9 1:9.7.3.dfsg-1ubuntu4.5
Ubuntu 11.04:
bind9 1:9.7.3.dfsg-1ubuntu2.7
Ubuntu 10.04 LTS:
bind9 1:9.7.0.dfsg.P1-1ubuntu0.8
Ubuntu 8.04 LTS:
bind9 1:9.4.2.dfsg.P2-2ubuntu0.12
In general, a standard system update will make all the necessary changes.
References:
http://www.ubuntu.com/usn/usn-1601-1
CVE-2012-5166
Package Information:
https://launchpad.net/ubuntu/+source/bind9/1:9.8.1.dfsg.P1-4ubuntu0.4
https://launchpad.net/ubuntu/+source/bind9/1:9.7.3.dfsg-1ubuntu4.5
https://launchpad.net/ubuntu/+source/bind9/1:9.7.3.dfsg-1ubuntu2.7
https://launchpad.net/ubuntu/+source/bind9/1:9.7.0.dfsg.P1-1ubuntu0.8
https://launchpad.net/ubuntu/+source/bind9/1:9.4.2.dfsg.P2-2ubuntu0.12