Microsoft Dynamics AX 4.0 SP2, 2009 SP1, 2012, and 2012 R2 allows remote authenticated users to cause a denial of service (instance outage) via crafted data to an Application Object Server (AOS) instance, aka "Query Filter DoS Vulnerability."
Improper Input Validation The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly.