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Ubuntu Security Notice USN-3307-2
July 19, 2017

openldap vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 12.04 ESM

Summary:

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

Software Description:
- openldap: OpenLDAP utilities

Details:

USN-3307-1 fixed a vulnerability in OpenLDAP. This update provides the
corresponding update for ubuntu 12.04 ESM.

Original advisory details:

A Karsten Heymann discovered that OpenLDAP incorrectly handled certain
A search requests. A remote attacker could use this issue to cause slapd
A to crash, resulting in a denial of service.

Update instructions:

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

Ubuntu 12.04 ESM:
A  slapdA A A A A A A A A A A A A A A A A A A A A A A A A A A 2.4.28-1.1ubuntu4.8

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

References:
A  https://www.ubuntu.com/usn/usn-3307-2
A  https://www.ubuntu.com/usn/usn-3307-1
A  CVE-2017-9287