module

HP OpenView Network Node Manager ovwebsnmpsrv.exe ovutil Buffer Overflow

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Disclosed
2010-06-16
Created
2018-05-30

Description

This module exploits a stack buffer overflow in HP OpenView Network Node Manager 7.53
prior to NNM_01203. By specifying a long 'arg' parameter when executing the 'jovgraph.exe'
CGI program, an attacker can cause a stack-based buffer overflow and execute arbitrary code.

This vulnerability is triggerable via either a GET or POST request. It is interesting to
note that this vulnerability cannot be exploited by overwriting SEH, since attempting
to would trigger CVE-2010-1964.

The vulnerable code is within a sub-function called from "main" within "ovwebsnmpsrv.exe"
with a timestamp prior to April 7th, 2010. This function contains a 256 byte stack buffer
which is passed to the "getProxiedStorageAddress" function within ovutil.dll. When
processing the address results in an error, the buffer is overflowed in a call to sprintf_new.
There are no stack cookies present, so exploitation is easily achieved by overwriting the
saved return address.

There exists some unreliability when running this exploit. It is not completely clear why
at this time, but may be related to OVWDB or session management. Also, on some attempts
OV NNM may report invalid characters in the URL. It is not clear what is causing this
either.

Author

jduck jduck@metasploit.com

Platform

Windows

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