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ZDI-11-004: HP OpenView Network Node Manager ovutil.dll stringToSeconds Remote Code Execution Vulnerability
From: ZDI Disclosures <zdi-disclosures () tippingpoint com>
Date: Tue, 11 Jan 2011 16:36:49 -0600

ZDI-11-004: HP OpenView Network Node Manager ovutil.dll stringToSeconds Remote Code Execution Vulnerability

http://www.zerodayinitiative.com/advisories/ZDI-11-004

January 11, 2011

-- CVE ID:
CVE-2011-262

-- CVSS:
10, (AV:N/AC:L/Au:N/C:C/I:C/A:C)

-- Affected Vendors:
Hewlett-Packard

-- Affected Products:
Hewlett-Packard OpenView Network Node Manager

-- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability by Digital Vaccine protection filter ID 10771.
For further product information on the TippingPoint IPS, visit:

    http://www.tippingpoint.com

-- Vulnerability Details:
This vulnerability allows remote attackers to execute arbitrary code on
vulnerable installations of Hewlett-Packard OpenView Network Node
Manager. Authentication is not required to exploit this vulnerability.
The exploit would require a crafted HTTP request to the target host.

The specific flaw exists within the ovutil.dll module which is loaded by
the ovwebsnmpsrv.exe process which in turn can be reached remotely
through the jovgraph.exe CGI program. By supplying overly large values
to variables passed through an HTTP request a sscanf can be made to
overflow a static buffer. An attacker can leverage this to execute
arbitrary code under the context of the user running the webserver.

-- Vendor Response:
Hewlett-Packard has issued an update to correct this vulnerability. More
details can be found at:

http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c02670501

-- Disclosure Timeline:
2010-09-14 - Vulnerability reported to vendor
2011-01-11 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by:
    * Anonymous

-- About the Zero Day Initiative (ZDI):
Established by TippingPoint, The Zero Day Initiative (ZDI) represents
a best-of-breed model for rewarding security researchers for responsibly
disclosing discovered vulnerabilities.

Researchers interested in getting paid for their security research
through the ZDI can find more information and sign-up at:

    http://www.zerodayinitiative.com

The ZDI is unique in how the acquired vulnerability information is
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exploit code. Instead, upon notifying the affected product vendor,
TippingPoint provides its customers with zero day protection through
its intrusion prevention technology. Explicit details regarding the
specifics of the vulnerability are not exposed to any parties until
an official vendor patch is publicly available. Furthermore, with the
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vendors (including competitors) who have a vulnerability protection or
mitigation product.

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