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Unrestricted Upload of File with Dangerous Type


Severity Medium
Score 4.3/10


ClipSoft REXPERT and earlier version allows remote attacker to upload arbitrary local file via the ActiveX method in RexViewerCtrl30.ocx. That could lead to disclosure of sensitive information. User interaction is required to exploit this vulnerability in that the target must visit a malicious web page.

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CWE-434 - Unrestricted Upload of File with dangerous type

'Unrestricted file upload with dangerous type' attacks involve an attacker uploading or transferring files of dangerous types to the server. The severity of such an attack depends upon the execution mechanism and the storage location of the uploaded file. Thus, it may range from simple defacement to arbitrary file execution, and complete system takeover.


Advisory Timeline

  • Published