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TPTI-09-11: HP OpenView NNM OvWebHelp.exe CGI Topic Heap Overflow Vulnerability
From: dvlabs <dvlabs () tippingpoint com>
Date: Wed, 9 Dec 2009 12:22:32 -0600

TPTI-09-11: HP OpenView NNM OvWebHelp.exe CGI Topic Heap Overflow Vulnerability
http://dvlabs.tippingpoint.com/advisory/TPTI-09-11
December 9, 2009

-- CVE ID:
CVE-2009-4178

-- 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 8354. 
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 specific flaw exists within the OvWebHelp.exe CGI application.
During a string concatenation the process takes the value of the Topic
POST variable and copies it without any length checks into a static
0x400 byte heap buffer. By providing a large enough string this buffer
can be overrun leading to arbitrary code execution.

-- 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=c01950877

-- Disclosure Timeline:
2009-07-20 - Vulnerability reported to vendor
2009-12-09 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by:
    * Aaron Portnoy, TippingPoint DVLabs


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