Incorrect Type Conversion or Cast
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 184.108.40.20655. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of references to the app object from FormCalc. The issue results from the lack of proper validation of user-supplied data, which can result in a type confusion condition. An attacker can leverage this to execute code in the context of the current process. Was ZDI-CAN-5072.
CWE-704 - Incorrect Type Conversion or Cast
The software does not correctly convert an object, resource, or structure from one type to a different type.