module

Icecast Header Overwrite

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Disclosed
2004-09-28
Created
2018-05-30

Description

This module exploits a buffer overflow in the header parsing of icecast
versions 2.0.1 and earlier, discovered by Luigi Auriemma. Sending 32
HTTP headers will cause a write one past the end of a pointer array. On
win32 this happens to overwrite the saved instruction pointer, and on
linux (depending on compiler, etc) this seems to generally overwrite
nothing crucial (read not exploitable).

This exploit uses ExitThread(), this will leave icecast thinking the
thread is still in use, and the thread counter won't be decremented.
This means for each time your payload exits, the counter will be left
incremented, and eventually the threadpool limit will be maxed. So you
can multihit, but only till you fill the threadpool.

Authors

spoonm spoonm@no$email.com
Luigi Auriemma aluigi@autistici.org

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