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iDefense Security Advisory 02.06.09
Feb 06, 2009
HP Network Node Manager (NNM) is an application suite that is used to
map out and manage network topography. NNM runs on a variety of
platforms, including Linux and multiple versions of Windows. For more
information, see the vendor's site found at the following link.
Remote exploitation of multiple command injection vulnerabilities in
Hewlett-Packard Development Co. LP (HP)'s Network Node Manager, could
allow an attacker to execute arbitrary code with the privileges of the
Multiple command injection vulnerabilities are present in NNM CGI
The vulnerabilities are very similar and occur in the webappmon.exe and
OpenView5.exe program. Part of the functionality of these applications
is to start other programs and collect their output. In order to
perform this, they each execute external programs along with any
attacker controllable arguments for the application. The arguments may
contain shell meta-characters. This allows an attacker to run arbitrary
shell commands. The arguments are not filtered before being passed to
the external program. This results in attacker supplied commands being
run on the host.
Exploitation of these vulnerabilities results in the execution of
arbitrary code with the privileges of the affected service. On RedHat
Enterprise 4, the application is started as the user 'bin'. All that is
required for exploitation is the ability to create a TCP connection to
port 80 on the targeted host.
iDefense has confirmed the existence of these vulnerabilities in Network
Node Manager version 7.53 for Linux. Previous versions, as well as
versions for other Unix based operating systems, may also be affected.
By default, the NNM CGI applications do not require a user to be
authenticated. By changing the session.conf file and setting UserLogin
to ON, it is possible to require valid credentials in order to run. The
'ovhtpasswd' application can then be used to add valid credentials to
the password file.
VI. VENDOR RESPONSE
HP has released a patch which addresses this issue. For more
information, consult their advisory at the following URL.
VII. CVE INFORMATION
The Common Vulnerabilities and Exposures (CVE) project has assigned the
name CVE-2008-4559 to this issue. This is a candidate for inclusion in
the CVE list (http://cve.mitre.org/), which standardizes names for
VIII. DISCLOSURE TIMELINE
06/19/2008 Initial Contact
06/19/2008 Vendor Case numbers set
07/10/2008 PoC sent
01/22/2009 Vendor says patch is ready
02/05/2009 Requested CVE from vendor
02/05/2009 Requested date coordination
02/06/2009 Coordinated Public Disclosure
The discoverer of this vulnerability wishes to remain anonymous.
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X. LEGAL NOTICES
Copyright =A9 2009 iDefense, Inc.
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Disclaimer: The information in the advisory is believed to be accurate
at the time of publishing based on currently available information. Use
of the information constitutes acceptance for use in an AS IS condition.
There are no warranties with regard to this information. Neither the
author nor the publisher accepts any liability for any direct,
indirect, or consequential loss or damage arising from use of, or
reliance on, this information.
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