1. Ubuntu Security Notices
  2. USN-1462-1

USN-1462-1: Bind vulnerabilities

Publication date

5 June 2012

Overview

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

Releases

Packages

  • bind9 - Internet Domain Name Server

Details

Dan Luther discovered that Bind incorrectly handled zero length rdata
fields. A remote attacker could use this flaw to cause Bind to crash or
behave erratically, resulting in a denial of service. (CVE-2012-1667)

It was discovered that Bind incorrectly handled revoked domain names. A
remote attacker could use this flaw to cause malicious domain names to be
continuously resolvable even after they have been revoked. (CVE-2012-1033)

Dan Luther discovered that Bind incorrectly handled zero length rdata
fields. A remote attacker could use this flaw to cause Bind to crash or
behave erratically, resulting in a denial of service. (CVE-2012-1667)

It was discovered that Bind incorrectly handled revoked domain names. A
remote attacker could use this flaw to cause malicious domain names to be
continuously resolvable even after they have been revoked. (CVE-2012-1033)

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
8.04 hardy libdns36 –  1:9.4.2.dfsg.P2-2ubuntu0.10
12.04 precise libdns81 –  1:9.8.1.dfsg.P1-4ubuntu0.1
11.10 oneiric libdns69 –  1:9.7.3.dfsg-1ubuntu4.2
11.04 natty libdns69 –  1:9.7.3.dfsg-1ubuntu2.4
10.04 lucid libdns64 –  1:9.7.0.dfsg.P1-1ubuntu0.5

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References

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