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Unrestricted Upload of File with Dangerous Type

CVE-2020-12828

Severity High
Score 9.8/10

Summary

An issue was discovered in AnchorFree VPN SDK before 1.3.3.218. The VPN SDK service takes certain executable locations over a socket bound to localhost. Binding to the socket and providing a path where a malicious executable file resides leads to executing the malicious executable file with SYSTEM privileges.

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