Ubuntu 12.04 Critical: USN-1566-1 Bind Denial Of Service Risk

ubuntu

September 13, 2012

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

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.

Topics Covered

security advisory denial of service critical Ubuntu network attack bind9

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.