Samsung SyncThru DriverFileUploadServlet Directory Traversal Remote Code Execution VulnerabilityZDI-15-300: July 13th, 2015
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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.
Vendor ResponseSamsung states:
Resolved by: Samsung SyncThu 6 v1.0
2015-05-18 - Vulnerability reported to vendor
2015-07-13 - Coordinated public release of advisory
CreditThis vulnerability was discovered by:
Andrea Micalizzi (rgod)