USN-3307-1: OpenLDAP vulnerability

Ubuntu Security Notice USN-3307-1

1st June, 2017

openldap vulnerability

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

• Ubuntu 17.04
• Ubuntu 16.10
• Ubuntu 16.04 LTS
• Ubuntu 14.04 LTS

Summary

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

Software description

• openldap - OpenLDAP utilities

Details

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

Update instructions

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

Ubuntu 17.04:

slapd 2.4.44+dfsg-3ubuntu2.1

Ubuntu 16.10:

slapd 2.4.42+dfsg-2ubuntu4.1

Ubuntu 16.04 LTS:

slapd 2.4.42+dfsg-2ubuntu3.2

Ubuntu 14.04 LTS:

slapd 2.4.31-1+nmu2ubuntu8.4

To update your system, please follow these instructions: http://ift.tt/17VXqjU.

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

References

CVE-2017-9287

from Ubuntu Security Notices http://ift.tt/2rXNt6o