TippingPoint Zero Day Initiative

Samsung SyncThru DriverFileUploadServlet Directory Traversal Remote Code Execution Vulnerability

ZDI-15-300: July 13th, 2015


CVSS Score

Affected Vendors


Affected Products


TippingPoint™ IPS Customer Protection

TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 17077. For further product information on the TippingPoint IPS:

Vulnerability Details

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Samsung SyncThru. By default, authentication is not required to exploit this vulnerability.

The specific flaw exists within the DriverFileUploadServlet servlet exposed by upload/driver. The issue lies in the failure to sanitize the path of files uploaded, allowing for certain ZIP files to be placed anywhere on the server. An attacker can leverage this vulnerability to execute arbitrary code in the context of the current user.

Vendor Response

Samsung states:

Resolved by: Samsung SyncThu 6 v1.0

Disclosure Timeline

    2015-05-18 - Vulnerability reported to vendor
    2015-07-13 - Coordinated public release of advisory


This vulnerability was discovered by:
    Andrea Micalizzi (rgod)