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Update Protection against Novell iManager Tree Name Denial of Service Vulnerability

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Check Point Reference: CPAI-2010-154
Date Published:
Severity:
Last Updated:
Source: Secunia Advisory 40281
Industry Reference(s): CVE-2010-1930
Protection Provided by: Security Gateway
  • R75
IPS-1
  • IPS-1
  • IPS-1 NGX R65
Who is Vulnerable?
Novell iManager 2.7
Novell iManager 2.7.3
Novell iManager 2.7.3 FTF2
Vulnerability Description
A denial of service vulnerability exists in Novell iManager, a web-based administration console that provides management of multiple Novell products.The vulnerability is due to insufficient validation of the TREE parameter during login access. By sending a crafted HTTP request to the target server, remote attackers can cause termination of the affected service, leading to a denial of service condition.
Update/Patch Available
The vendor has not released an update to address this issue.
Vulnerability Details
The vulnerability is due to a failure of the application to properly check the length of the variable TREE submitted within the iManager login request.

Protection Overview
The protection will detect and block HTTP Requests to the Novel iManager webacc CGI with invalid values for the TREE parameter.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, 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 > IPS Software Blade > Application Intelligence > Web Servers.
2. In the right pane, double-click the Novell iManager Tree Name Denial of Service 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: Web Server Enforcement Violation
Attack Information: Novell iManager tree name denial of service

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 Novell Various Vulnerabilities protection group.
3. Click Novell iManager Tree Name Denial of Service (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: Novel Enterprise Software
Description: Novell iManager Tree Name Denial of Service