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TPTI-09-08: HP OpenView NNM ovlogin.exe CGI userid/passwd Heap Overflow Vulnerability
From: dvlabs <dvlabs () tippingpoint com>
Date: Wed, 9 Dec 2009 12:18:05 -0600

TPTI-09-08: HP OpenView NNM ovlogin.exe CGI userid/passwd Heap Overflow Vulnerability
http://dvlabs.tippingpoint.com/advisory/TPTI-09-08
December 9, 2009

-- CVE ID:
CVE-2009-3846

-- 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 8416. 
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 ovlogin.exe CGI application. During
authentication both the userid and passwd POST variables are passed to
this CGI and copied in to a static 0x100 byte heap buffer via a
sprintf() call. By specifying large enough strings this buffer can be
overflowed 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:
2009-07-13 - 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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