Samsung SyncThru DriverFileUploadServlet Directory Traversal Remote Code Execution Vulnerability

July 13th, 2015
ZDI-15-300 ZDI-CAN-2585

CVE ID

CVE-2015-5473

CVSS Score

7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected Vendors

Samsung

Affected Products

SyncThru

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.

Additional Details


Resolved by: Samsung SyncThu 6 v1.0


Disclosure Timeline

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

Credit

Andrea Micalizzi (rgod)

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