A vulnerability, which was classified as critical, was found in SolidWorks Product Data Management 2014. This affects an unknown function of the file pdmwService.exe of the component File Upload. The manipulation with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. This is going to have an impact on integrity, and availability. The summary by CVE is:

Directory traversal vulnerability in pdmwService.exe in SolidWorks Workgroup PDM 2014 allows remote attackers to write to arbitrary files via a .. (dot dot) in the filename in a file upload.

The weakness was published 01/13/2015 (Website). The advisory is shared at xforce.iss.net. This vulnerability is uniquely identified as CVE-2014-100015 since 01/13/2015. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known. MITRE ATT&CK project uses the attack technique T1006 for this issue.

A public exploit has been developed by Mohamed Shetta and been published before and not just after the advisory. The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 325 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (91518) and Exploit-DB (31831). Similar entries are available at 73609, 73604, 73603 and 73602.

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• SolidWorks

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• Product Data Management

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• 2014

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