module

Microsoft WMI Administration Tools ActiveX Buffer Overflow

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Disclosed
Dec 21, 2010
Created
May 30, 2018

Description

This module exploits a memory trust issue in the Microsoft WMI
Administration tools ActiveX control. When processing a specially crafted
HTML page, the WEBSingleView.ocx ActiveX Control (1.50.1131.0) will treat
the 'lCtxHandle' parameter to the 'AddContextRef' and 'ReleaseContext' methods
as a trusted pointer. It makes an indirect call via this pointer which leads
to arbitrary code execution.

This exploit utilizes a combination of heap spraying and the
.NET 2.0 'mscorie.dll' module to bypass DEP and ASLR. This module does not
opt-in to ASLR. As such, this module should be reliable on all Windows
versions.

The WMI Administrative Tools are a standalone download & install (linked in the
references).

Authors

WooYun
MC [email protected]
jduck [email protected]

Platform

Windows

References

Module Options

To display the available options, load the module within the Metasploit console and run the commands 'show options' or 'show advanced':


    msf > use exploit/windows/browser/wmi_admintools
    msf exploit(wmi_admintools) > show targets
        ...targets...
    msf exploit(wmi_admintools) > set TARGET < target-id >
    msf exploit(wmi_admintools) > show options
        ...show and set options...
    msf exploit(wmi_admintools) > exploit
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