Foxit Reader Unquoted Service Path Elevation Of Privilege

Title: Foxit Reader Unquoted Service Path Elevation Of Privilege
Advisory ID: ZSL-2015-5235
Type: Local
Impact: Privilege Escalation
Risk: (2/5)
Release Date: 14.03.2015
Foxit Reader is a small, lightning fast, and feature rich PDF viewer which allows you to create (free PDF creation), open, view, sign, and print any PDF file.
The application suffers from an unquoted search path issue impacting the service 'FoxitCloudUpdateService' for Windows deployed as part of Foxit Reader. This could potentially allow an authorized but non-privileged local user to execute arbitrary code with elevated privileges on the system. A successful attempt would require the local user to be able to insert their code in the system root path undetected by the OS or other security applications where it could potentially be executed during application startup or reboot. If successful, the local user’s code would execute with the elevated privileges of the application.
Foxit Software Incorporated -
Affected Version and 6.1
Tested On
Microsoft Windows 7 Ultimate SP1 (EN)
Vendor Status
[17.02.2015] Vulnerability discovered.
[21.02.2015] Foxit Security Response Team confirmed the issue.
[03.03.2015] Foxit fixed the issue.
[09.03.2015] Foxit released fixed version of Foxit Reader 7.1.
[14.03.2015] Coordinated public security advisory released.
Vulnerability discovered by Aljaz Ceru - <>
[14.03.2015] - Initial release
[15.03.2015] - Added reference [2], [3], [4], [5], [6] and [7]
[16.03.2015] - Added reference [8]
[17.03.2015] - Added reference [9]
[18.03.2015] - Added reference [10]
Zero Science Lab