Foxit Reader ConvertToPDF BMP File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

2019-04-29T00:00:00
ID ZDI-19-433
Type zdi
Reporter Hao Li from ADLab of VenusTech
Modified 2019-06-22T00:00:00

Description

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader. 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 ConvertToPDF_x86.dll. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated object. An attacker can leverage this vulnerability to execute code in the context of the current process.