ZDI-07-071: HP OpenView Network Node Manager Multiple CGI Buffer Overflows Dec 06 2007 10:40PM
zdi-disclosures 3com com
ZDI-07-071: HP OpenView Network Node Manager Multiple CGI Buffer Overflows


December 6, 2007

-- CVE ID:


-- Affected Vendor:


-- Affected Products:

OpenView Network Node Manager 7.51 and below

-- TippingPoint(TM) IPS Customer Protection:

TippingPoint IPS customers have been protected against this

vulnerability by Digital Vaccine protection filter ID 4790.

For further product information on the TippingPoint IPS:


-- Vulnerability Details:

These vulnerabilities allow remote attackers to execute arbitrary code

on vulnerable installations of Hewlett-Packard (HP) OpenView Network

Node Manager (NNM). Authentication is not required to exploit these


The specific flaws exists within the CGI applications that handle the

management of the NNM server. Due to lack of bounds checking during a

call to sprintf(), sending overly long arguments to the various CGI

variables result in a classic stack overflow leading to compromise of

the remote server. Exploitation leads to code execution running under

the credentials of the web server. Further techniques can be leveraged

to gain full SYSTEM access.

The following is a list of vulnerable CGI applications:

- ovlogin.exe

- OpenView5.exe

- snmpviewer.exe

- webappmon.exe

-- Vendor Response:

Hewlett-Packard has issued an update to correct this vulnerability. More

details can be found in HP Security Bulletin Document ID c01188923.

-- Disclosure Timeline:

2006.10.10 - Vulnerability reported to vendor

2007.12.06 - Coordinated public release of advisory

-- Credit:

This vulnerability was discovered by Tenable Network Security.

-- 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:


The ZDI is unique in how the acquired vulnerability information is used.

3Com does not re-sell the vulnerability details or any exploit code.

Instead, upon notifying the affected product vendor, 3Com 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 altruistic aim of

helping to secure a broader user base, 3Com provides this vulnerability

information confidentially to security vendors (including competitors)

who have a vulnerability protection or mitigation product.

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