PDF-XChange Editor U3D File Parsing Memory Corruption Remote Code Execution Vulnerability

October 7th, 2022

Vulnerability Details

This vulnerability allows remote attackers to execute arbitrary code on affected installations of PDF-XChange Editor. 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 parsing of U3D files. The issue results from the lack of proper validation of user-supplied data, which can result in a memory corruption condition. An attacker can leverage this vulnerability to execute code in the context of the current process.

Additional Details

PDF-XChange has issued an update to correct this vulnerability. More details can be found at:
https://www.tracker-software.com/product/pdf-xchange-editor/history

Disclosure Timeline

  • 2022-09-02 - Vulnerability reported to vendor
  • 2022-10-07 - Coordinated public release of advisory

Credit

Mat Powell of Trend Micro Zero Day Initiative

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