USN-418-1: Bind vulnerabilities

Publication date

6 February 2007

Overview

Bind vulnerabilities


Details

A flaw was discovered in Bind’s DNSSEC validation code. Remote
attackers could send a specially crafted DNS query which would cause the
Bind server to crash, resulting in a denial of service. Only servers
configured to use DNSSEC extensions were vulnerable.

A flaw was discovered in Bind’s DNSSEC validation code. Remote
attackers could send a specially crafted DNS query which would cause the
Bind server to crash, resulting in a denial of service. Only servers
configured to use DNSSEC extensions were vulnerable.

Update instructions

In general, a standard system upgrade is sufficient to effect 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
6.10 edgy libdns21 –  1:9.3.2-2ubuntu3.1
6.06 dapper libdns21 –  1:9.3.2-2ubuntu1.2
5.10 breezy libdns20 –  1:9.3.1-2ubuntu1.2

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