This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 8.3.1.21155. 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 append method of XFA Node objects. 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 vulnerability to execute code under the context of the current process. Was ZDI-CAN-5019.
The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.
The product does not correctly convert an object, resource, or structure from one type to a different type.
| Link | Tags |
|---|---|
| https://zerodayinitiative.com/advisories/ZDI-17-871 | third party advisory vdb entry |
| https://www.foxitsoftware.com/support/security-bulletins.php | patch vendor advisory |