module

mIRC PRIVMSG Handling Stack Buffer Overflow

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Disclosed
Oct 2, 2008
Created
May 30, 2018

Description

This module exploits a buffer overflow in the mIRC IRC Client v6.34 and earlier.
By enticing a mIRC user to connect to this server module, an excessively long PRIVMSG
command can be sent, overwriting the stack. Due to size restrictions, ordinal payloads
may be necessary. This module is based on the code by SkD.

Author

aushack patrick@osisecurity.com.au

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