USN-1025-1: Bind vulnerabilities

1 December 2010

bind9 vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 10.10
  • Ubuntu 10.04 LTS
  • Ubuntu 9.10
  • Ubuntu 8.04 LTS
  • Ubuntu 6.06 LTS

Summary

Software Description

  • bind9

Details

It was discovered that Bind would incorrectly allow a ncache entry and a rrsig for the same type. A remote attacker could exploit this to cause Bind to crash, resulting in a denial of service. (CVE-2010-3613)

It was discovered that Bind would incorrectly mark zone data as insecure when the zone is undergoing a key algorithm rollover. (CVE-2010-3614)

Update instructions

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

Ubuntu 10.10
libdns66 - 1:9.7.1.dfsg.P2-2ubuntu0.1
Ubuntu 10.04 LTS
libdns64 - 1:9.7.0.dfsg.P1-1ubuntu0.1
Ubuntu 9.10
libdns53 - 1:9.6.1.dfsg.P1-3ubuntu0.4
Ubuntu 8.04 LTS
libdns36 - 1:9.4.2.dfsg.P2-2ubuntu0.6
Ubuntu 6.06 LTS
libdns23 - 1:9.3.2-2ubuntu1.12

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References