TippingPoint Zero Day Initiative

Samsung SyncThru UpdateDriverFileServlet Directory Traversal Denial of Service Vulnerability

ZDI-15-296: 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 17079. For further product information on the TippingPoint IPS:

Vulnerability Details

This vulnerability allows remote attackers to delete arbitrary files 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/updateDriver. The issue lies in the failure to sanitize the path of files uploaded, allowing for the deletion of any file on the system. An attacker could use this to create denial-of-service condition.

Vendor Response

Samsung states:

Resolved by: Samsung SyncThu 6 v1.0

Disclosure Timeline

    2015-05-27 - Vulnerability reported to vendor
    2015-07-13 - Coordinated public release of advisory


This vulnerability was discovered by:
    Andrea Micalizzi (rgod)