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USN-384-1: OpenLDAP vulnerability

21 November 2006

OpenLDAP vulnerability



Evgeny Legerov discovered that the OpenLDAP libraries did not correctly
truncate authcid names. This situation would trigger an assert and
abort the program using the libraries. A remote attacker could send
specially crafted bind requests that would lead to an LDAP server denial
of service.

Update instructions

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

Ubuntu 6.10
  • libldap-2.2-7 - 2.2.26-5ubuntu3.1
Ubuntu 6.06
  • libldap-2.2-7 - 2.2.26-5ubuntu2.2
Ubuntu 5.10
  • libldap-2.2-7 - 2.2.26-3ubuntu0.2

In general, a standard system upgrade is sufficient to effect the
necessary changes.