module

MS02-018 Microsoft IIS 4.0 .HTR Path Overflow

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Disclosed
2002-04-10
Created
2018-05-30

Description

This exploits a buffer overflow in the ISAPI ISM.DLL used to
process HTR scripting in IIS 4.0. This module works against
Windows NT 4 Service Packs 3, 4, and 5. The server will
continue to process requests until the payload being
executed has exited. If you've set EXITFUNC to 'seh', the
server will continue processing requests, but you will have
trouble terminating a bind shell. If you set EXITFUNC to
thread, the server will crash upon exit of the bind shell.
The payload is alpha-numerically encoded without a NOP sled
because otherwise the data gets mangled by the filters.

Author

stinko vinnie@metasploit.com

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/iis/ms02_018_htr
    msf exploit(ms02_018_htr) > show targets
        ...targets...
    msf exploit(ms02_018_htr) > set TARGET < target-id >
    msf exploit(ms02_018_htr) > show options
        ...show and set options...
    msf exploit(ms02_018_htr) > exploit
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