Samsung SyncThru UpdateDriverFileServlet Directory Traversal Denial of Service VulnerabilityZDI-15-296: July 13th, 2015
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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 ResponseSamsung states:
Resolved by: Samsung SyncThu 6 v1.0
2015-05-27 - Vulnerability reported to vendor
2015-07-13 - Coordinated public release of advisory
CreditThis vulnerability was discovered by:
Andrea Micalizzi (rgod)