Advisory Details

July 13th, 2015

Samsung SyncThru FileUploadController Directory Traversal Remote Code Execution Vulnerability

ZDI-15-299
ZDI-CAN-2582

CVE ID CVE-2015-5473
CVSS SCORE 10, (AV:N/AC:L/Au:N/C:C/I:C/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 17073. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
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 FileUploadController servlet exposed by uploadFirmware.html. The issue lies in the failure to sanitize the path of files uploaded, allowing for them to be placed anywhere on the server. An attacker can leverage this vulnerability to execute arbitrary code as SYSTEM.

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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