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Unrestricted Upload of File with Dangerous Type

CVE-2018-20166

High
8.8/10

Summary

A file-upload vulnerability exists in Rukovoditel 2.3.1. index.php?module=configuration/save allows the user to upload a background image, and mishandles extension checking. It accepts uploads of PHP content if the first few characters match GIF data, and the filename ends in ".php" with mixed case, such as the .pHp extension.

  • LOW
  • NETWORK
  • HIGH
  • UNCHANGED
  • NONE
  • LOW
  • HIGH
  • HIGH

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.

References

Advisory Timeline

  • Published