=========================================================================Ubuntu Security Notice USN-2622-1
May 26, 2015
openldap vulnerabilities
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 15.04
- Ubuntu 14.10
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS
Summary:
OpenLDAP could be made to crash if it received specially crafted network
traffic.
Software Description:
- openldap: OpenLDAP utilities
Details:
It was discovered that OpenLDAP incorrectly handled certain search queries
that returned empty attributes. A remote attacker could use this issue to
cause OpenLDAP to assert, resulting in a denial of service. This issue only
affected Ubuntu 12.04 LTS. (CVE-2012-1164)
Michael Vishchers discovered that OpenLDAP improperly counted references
when the rwm overlay was used. A remote attacker could use this issue to
cause OpenLDAP to crash, resulting in a denial of service. (CVE-2013-4449)
It was discovered that OpenLDAP incorrectly handled certain empty attribute
lists in search requests. A remote attacker could use this issue to cause
OpenLDAP to crash, resulting in a denial of service. (CVE-2015-1545)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 15.04:
slapd 2.4.31-1+nmu2ubuntu12.1
Ubuntu 14.10:
slapd 2.4.31-1+nmu2ubuntu11.1
Ubuntu 14.04 LTS:
slapd 2.4.31-1+nmu2ubuntu8.1
Ubuntu 12.04 LTS:
slapd 2.4.28-1.1ubuntu4.5
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-2622-1
CVE-2012-1164, CVE-2013-4449, CVE-2015-1545
Package Information:
https://launchpad.net/ubuntu/+source/openldap/2.4.31-1+nmu2ubuntu12.1
https://launchpad.net/ubuntu/+source/openldap/2.4.31-1+nmu2ubuntu11.1
https://launchpad.net/ubuntu/+source/openldap/2.4.31-1+nmu2ubuntu8.1
https://launchpad.net/ubuntu/+source/openldap/2.4.28-1.1ubuntu4.5
