Ubuntu 11.10 USN-1264-1 High Risk: Bind Denial of Service Crash

ubuntu

November 17, 2011

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 specially crafted

packets. A remote attacker could use this flaw to cause Bind to crash,

resulting in a denial of service.

Topics Covered

security advisory denial of service ubuntu bind9 crash issue

Update Instructions

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

Ubuntu 11.10:
  libdns69                        1:9.7.3.dfsg-1ubuntu4.1

Ubuntu 11.04:
  libdns69                        1:9.7.3.dfsg-1ubuntu2.3

Ubuntu 10.10:
  libdns66                        1:9.7.1.dfsg.P2-2ubuntu0.5

Ubuntu 10.04 LTS:
  libdns64                        1:9.7.0.dfsg.P1-1ubuntu0.4

Ubuntu 8.04 LTS:
  libdns36                        1:9.4.2.dfsg.P2-2ubuntu0.9

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