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EFS Easy Chat Server Authentication Request Handling Buffer Overflow

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EFS Easy Chat Server Authentication Request Handling Buffer Overflow

Disclosed
08/14/2007
Created
05/30/2018

Description

This module exploits a stack buffer overflow in EFS Software Easy Chat Server versions 2.0 to 3.1. By sending an overly long authentication request, an attacker may be able to execute arbitrary code.

Author(s)

  • LSO <lso@hushmail.com>
  • bcoles <bcoles@gmail.com>

Platform

Windows

Development

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

Time is precious, so I don’t want to do something manually that I can automate. Leveraging the Metasploit Framework when automating any task keeps us from having to re-create the wheel as we can use the existing libraries and focus our efforts where it matters.

– Jim O’Gorman | President, Offensive Security

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