windows community v1.0.0

dxva2.dll

dxva2.dll — Sideloading hijacking (Microsoft)

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dxva2.dll
dxva2.dll

Sandbox: execFile · Timeout: 30s

Capabilities

security.defenseevasion.dll-hijack
security.privilegeescalation.dll-hijack

Documentation

examples:

  • description: "Place malicious dxva2.dll in the search order location" command: "copy malicious.dll "%SYSTEM32%\dxva2.dll""
  • description: "Execute the vulnerable binary to trigger the hijack" command: ""%SYSTEM32%\dccw.exe""

dxva2.dll

Vendor: Microsoft

Expected Location: %SYSTEM32%

Vulnerable Executables:

  • %SYSTEM32%\dccw.exe (Sideloading) [AutoElevate]
  • %SYSTEM32%\dispdiag.exe (Sideloading)

Acknowledgement: Wietze

References