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Update Protection against HP OpenView Network Node Manager netmon.exe Stack Buffer Overflow Vulnerability

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Check Point Reference: CPAI-2010-138
Date Published:
Severity:
Last Updated:
Source: Secunia Advisory SA39757
Industry Reference(s): CVE-2010-1551
Protection Provided by: Security Gateway
  • R75
  • R71
  • R70
VPN-1
  • NGX R65
VSX
  • NGX R65
IPS-1
  • IPS-1
  • IPS-1 NGX R65
Who is Vulnerable?
HP OpenView Network Node Manager (OV NNM) 7.01
HP OpenView Network Node Manager (OV NNM) 7.51
HP OpenView Network Node Manager (OV NNM) 7.53
Vulnerability Description
A stack buffer overflow vulnerability exists in HP OpenView Network Node Manager (NNM). The vulnerability is due to a boundary error in the _OVParseLLA function when processing a crafted HTTP POST request. A remote attacker can exploit this vulnerability by sending a crafted HTTP POST request, potentially causing arbitrary code execution.
Update/Patch Available
Vendor's advisory.
Vulnerability Details
The vulnerability exists in HP OpenView Network Node Manager library, due to insufficient boundary checking when handling the sel variable sent in a HTTP POST request.

Protection Overview
This protection will detect and block attempts to access the HP OpenView Node Manager with malformed arguments in a POST request.

In order for the protection to be activated, update your Security Gateway/VPN-1 product to the latest IPS/SmartDefense update. For information on how to update IPS/SmartDefense, go to SBP-2006-05, Protection tab, and select the version of your choice. 

To configure the defense, select your product from the list below and follow the related protection steps.

Security Gateway: R75

How Can I Protect My Network?
1. In the IPS tab, click Protections > By Protocol > Application Intelligence > HP Products.
2. In the right pane, double-click the HP OpenView Network Node Manager netmon.exe Stack Buffer Overflow protection.
3. In the Protection Details window, click on Edit. Choose the protection's Action (Override IPS Policy with: Prevent/Detect), and apply Additional Settings. 
4. Install policy on all modules.

How Do I Know if My Network is Under Attack?
SmartView Tracker will log the following entries: 

Attack Name: HP Products Protection Violation
Attack Information: HP OpenView Network Node Manager webappmon.exe stack buffer overflow

Security Gateway: R70/R71

How Can I Protect My Network?
1. In the IPS tab, click Protections > By Protocol > Application Intelligence > HP Products.
2. In the right pane, double-click the HP OpenView Network Node Manager netmon.exe Stack Buffer Overflow protection.
3. In the Protection Details window, click on Edit. Choose the protection's Action (Override IPS Policy with: Prevent/Detect), and apply Additional Settings. 
4. Install policy on all modules.

How Do I Know if My Network is Under Attack?
SmartView Tracker will log the following entries: 

Attack Name: HP Products Protection Violation
Attack Information: HP OpenView Network Node Manager netmon.exe stack buffer overflow

VPN-1 NGX R65 & VPN-1 VSX NGX R65

How Can I Protect My Network?
1. In the SmartDefense tab, click Application Intelligence > HP Products > HP OpenView Network Node Manager netmon.exe Stack Buffer Overflow.
2. In the configuration pane, under Settings > Mode, check Active.
3. Install policy on all modules.

How Do I Know if My Network is Under Attack?
SmartView Tracker will log the following entries: 

Attack Name: HP Products Protection Violation
Attack Information: HP OpenView Network Node Manager netmon.exe stack buffer overflow

IPS-1 & IPS-1 NGX R65

How Can I Protect My Network?
1. In the IPS-1 Policy Manager, click on the Protection tab.
2. In the Protection tree, click Application Intelligence > Enterprise Software, and select the HP OpenView Network Node Manager protection group.
3. Click HP OpenView Network Node Manager netmon.exe Stack Buffer Overflow (IPS-1 NGX R65 only).
4. In the configuration pane, under Settings, check Active.
5. Click on Install Policy.

How Do I Know if My Network is Under Attack?

Upon attack, the following entries will be logged:

Alert Name: HP OpenView Network Node Manager
Description: HP OpenView Network Node Manager netmon.exe Stack Buffer Overflow