An OpenLDAP server could potentially be made to crash if it received specially crafted network traffic from an authenticated user.
It was discovered that slapd contained an off-by-one error. An authenticated attacker could potentially exploit this by sending a crafted crafted LDIF entry containing an empty postalAddress.
17 November 2011
A security issue affects these releases of Ubuntu and its derivatives:
An OpenLDAP server could potentially be made to crash if it received specially crafted network traffic from an authenticated user.
It was discovered that slapd contained an off-by-one error. An authenticated attacker could potentially exploit this by sending a crafted crafted LDIF entry containing an empty postalAddress.
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.