module

KarjaSoft Sami FTP Server v2.0.2 USER Overflow

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Disclosed
2006-01-24
Created
2018-05-30

Description

This module exploits an unauthenticated stack buffer overflow in
KarjaSoft Sami FTP Server version 2.0.2 by sending an overly long
USER string during login.

The payload is triggered when the administrator opens the application
GUI. If the GUI window is open at the time of exploitation, the
payload will be executed immediately. Keep this in mind when selecting
payloads. The application will crash following execution of the
payload and will not restart automatically.

When the application is restarted, it will re-execute the payload
unless the payload has been manually removed from the SamiFTP.binlog
log file.

This module has been tested successfully on Sami FTP Server versions:
2.0.2 on Windows XP SP0 (x86);
2.0.2 on Windows 7 SP1 (x86);
2.0.2 on Windows 7 SP1 (x64); and
2.0.2 on Windows 10 (1909) (x64).

Authors

Muhammad Ahmed Siddiqui
Critical Security
n30m1nd
aushack patrick@osisecurity.com.au
bcoles bcoles@gmail.com

Platform

Windows

Architectures

x86

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