USN-384-1: OpenLDAP vulnerability

21 November 2006

OpenLDAP vulnerability

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Details

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.

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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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.

References

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