SRC-2016-0023 : Foxit Reader ConvertToPDF TIF SamplesPerPixel Parsing Heap Buffer Overflow Remote Code Execution Vulnerability



CVSS Score:

6.8, (AV:N/AC:M/Au:N/C:P/I:P/A:P)

Affected Vendors:


Affected Products:

Foxit Reader

Vulnerability Details:

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 the ConvertToPDF plugin. A specially crafted TIF image with a large SamplesPerPixel value can force a heap buffer overflow condition. An attacker can leverage this vulnerability to execute arbitrary code under the context of the current process.

Vendor Response:

Foxit has issued an update to correct this vulnerability. More details can be found at:

Disclosure Timeline:

  • 2016-03-29 – Vulnerability reported to vendor
  • 2016-03-29 – Vulnerability confirmed by the vendor
  • 2016-06-28 – Coordinated public release of advisory

Proof of Concept:


This vulnerability was discovered by Steven Seeley of Source Incite