DST2K0014: BufferOverrun in HP Openview Network Node Manager v6.1 (Round2)

[Security Team <SecurityTeam () DELPHISPLC COM>]

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                            Delphis Consulting Plc
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                           Security Team Advisories
                               [13/06/2000]

                            securityteam () delphisplc com
                  [http://www.delphisplc.com/thinking/whitepapers/]
        
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Adv             :       DST2K0014
Title           :       BufferOverrun in HP Openview Network Node Manager
                        v6.1 (Round2)
Author  :       DCIST (securityteam () delphisplc com)
O/S             :       Microsoft Windows NT v4.0 Server (SP6)
Product :       HP Openview Node Manager v6.1
Date            :       13/06/2000

I.    Description

II.   Solution

III.  Disclaimer


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I. Description
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Vendor URL: http://www.openview.hp.com/

Delphis Consulting Internet Security Team (DCIST) discovered the following
vulnerability in HP Openview Node Manager under Windows NT.

Severity: high

By using the OverView5 CGI interface which is shipped and installed by
default with HPOpenView network node manager it is possible to cause a
BufferOverRun in SNMP.EXE. This is done be connecting to port 80 which the
WWW service resides on by default and sending a large GET string. The string

has to be a length of 132 + EIP (4 bytes making a total of 136 bytes). This
will cause the above application to BufferOverRun over writing EIP.

Example: (URL will be wrapped)
http://127.0.0.1/OvCgi/OpenView5.exe?Context=Snmp&Action=Snmp&Host=&Oid=A0B
0C0D0E0F0G0H0I0J0K0L0M0N0O0P0Q0R0S0T0U0V0W0X0Y0a0b0c0d0e0f0g0h0i0j0k0l0m0n
0o0p0q0r0s0t0u0v0w0x0y0A1B1C1D1E1F1G1H1I1J1K1L1M1N1O1P1ZZZZ


II. Solution
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Vendor Status: Informed

We are happy to announce a patch for the above advisory:

HPID: HPSBUX0009-121   Sec. Vulnerability OpenView NNM Object IDs

URL: http://ovweb.external.hp.com/cpe/patches/

We would like to take this opportunity to thank everyone at HP on how
responsive they have been to our research over the past 3 months.

III. Disclaimer
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THE INFORMATION CONTAINED IN THIS ADVISORY IS BELIEVED TO BE ACCURATE AT
THE TIME OF PRINTING, BUT NO REPRESENTATION OR WARRANTY IS GIVEN, EXPRESS OR
IMPLIED, AS TO ITS ACCURACY OR COMPLETENESS.  NEITHER THE AUTHOR NOR THE
PUBLISHER ACCEPTS ANY LIABILITY WHATSOEVER FOR ANY DIRECT, INDIRECT OR
CONSEQUENTIAL LOSS OR DAMAGE ARISING IN ANY WAY FROM ANY USE OF, OR RELIANCE
PLACED ON, THIS INFORMATION FOR ANY PURPOSE.
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