USN-1025-1: Bind vulnerabilities

Ubuntu Security Notice USN-1025-1

1st 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

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 version:

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

CVE-2010-3613, CVE-2010-3614