Advisory Details

July 13th, 2015

Samsung SyncThru UpdateDriverFileServlet Directory Traversal Denial of Service Vulnerability

ZDI-15-296
ZDI-CAN-2587

CVE ID CVE-2015-5473
CVSS SCORE 7.8, (AV:N/AC:L/Au:N/C:N/I:N/A:C)
AFFECTED VENDORS Samsung
AFFECTED PRODUCTS SyncThru
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: http://www.tippingpoint.com
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
CREDIT Andrea Micalizzi (rgod)
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