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Update Protection against Novell iManager Class Name Remote Buffer Overflow Vulnerability

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Check Point Reference: CPAI-2010-153
Date Published:
Severity:
Last Updated:
Source: Secunia Advisory: 40281
Industry Reference(s): CVE-2010-1929
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 buffer overflow vulnerability has been reported in Novell iManager, a web-based administration console that provides management of many other Novell products.The vulnerability is due to insufficient validation of the class name parameter when handling HTTP requests sent to a CGI module. This may be exploited by remote attackers to execute arbitrary code on the target server by sending a crafted HTTP POST request.
Update/Patch Available
The vendor has not released an advisory addressing this issue.
Vulnerability Details
The vulnerability is due to a failure of the application to properly check the length of a variable submitted during the creation of a new class. This can be exploited by sending a specially crafted HTTP request containing overly large class names.

Protection Overview
The protection will detect and block HTTP Requests to the Novell iManager webacc CGI with overly long classname arguments.

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 Class Name Remote 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: Web Server Enforcement Violation
Attack Information: Novell iManager class name remote 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 Novell Various Vulnerabilities protection group.
3. Click Novell iManager Class Name Remote 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: Novel Enterprise Software
Description: Novell iManager Class Name Remote Buffer Overflow