Ubuntu Security Notice 1566-1 - It was discovered that Bind incorrectly handled certain specially crafted long resource records. 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-1566-1
September 13, 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 or if it received specially crafted network
traffic.
Software Description:
- bind9: Internet Domain Name Server
Details:
It was discovered that Bind incorrectly handled certain specially crafted
long resource records. 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:
libdns81 1:9.8.1.dfsg.P1-4ubuntu0.3
Ubuntu 11.10:
libdns69 1:9.7.3.dfsg-1ubuntu4.4
Ubuntu 11.04:
libdns69 1:9.7.3.dfsg-1ubuntu2.6
Ubuntu 10.04 LTS:
libdns64 1:9.7.0.dfsg.P1-1ubuntu0.7
Ubuntu 8.04 LTS:
libdns36 1:9.4.2.dfsg.P2-2ubuntu0.11
In general, a standard system update will make all the necessary changes.
References:
http://www.ubuntu.com/usn/usn-1566-1
CVE-2012-4244
Package Information:
https://launchpad.net/ubuntu/+source/bind9/1:9.8.1.dfsg.P1-4ubuntu0.3
https://launchpad.net/ubuntu/+source/bind9/1:9.7.3.dfsg-1ubuntu4.4
https://launchpad.net/ubuntu/+source/bind9/1:9.7.3.dfsg-1ubuntu2.6
https://launchpad.net/ubuntu/+source/bind9/1:9.7.0.dfsg.P1-1ubuntu0.7
https://launchpad.net/ubuntu/+source/bind9/1:9.4.2.dfsg.P2-2ubuntu0.11