Update Protection against Symantec Multiple Products AeXNSConsoleUtilities Buffer Overflow Vulnerability

Vulnerability
Protection

Check Point Reference:	CPAI-2009-303
Date Published:
Severity:
Last Updated:
Source:	Secunia Advisory: SA37229
Industry Reference(s):	CVE-2009-3031 CVE-2009-3033
Protection Provided by:	Security Gateway R70 VPN-1 NGX R65 VSX NGX R65 IPS-1 IPS-1 IPS-1 NGX R65
Who is Vulnerable? Symantec Altiris Deployment Solution 6.9.x Symantec Altiris Notification Server 6.0.x Symantec Management Platform 7.0.x
Vulnerability Description A stack buffer overflow vulnerability exists in multiple Symantec products. The vulnerability is due to an error in the AeXNSConsoleUtilities.dll ActiveX control when processing overly long arguments. This issue can be exploited by remote attackers to execute arbitrary code by convincing the user to visit a specially crafted web page.

Update/Patch Available Vendor's advisory
Vulnerability Details The vulnerability exists in the ActiveX controlAeXNSConsoleUtilities.dll, shipped with Symantec Altiris Deployment Solution software. Remote unauthenticated attackers can exploit this vulnerability by convincing targeted users to open a specially crafted HTML document. Successful exploitation of this vulnerability would allow for arbitrary code injection.

Protection Overview
This protection will detect and block access to proscribed ActiveX class IDs.

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 R70

How Can I Protect My Network?
1. In the IPS tab, click Protections > By Protocol > Web Intelligence > HTTP Client Protections > Microsoft Internet Explorer Vulnerabilities.
2. In the right pane, double-click the Symantec Multiple Products AeXNSConsoleUtilities 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 Client Enforcement Violation
Attack Information: Symantec multiple products AeXNSConsoleUtilities buffer overflow

VPN-1 NGX R65 & VSX NGX R65

How Can I Protect My Network?
1. In the SmartDefense tab, click Web Intelligence > HTTP Client Protections > Microsoft Internet Explorer Vulnerabilities > Symantec Multiple Products AeXNSConsoleUtilities 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: Web Client Enforcement Violation
Attack Information: Symantec multiple products AeXNSConsoleUtilities 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 > Badfiles, and select the ActiveX Parser protection group.
3. Click User defined bad ActiveX Class ID (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: Badfiles ActiveX class in HTML file Alert/Filter
Description: User defined bad ActiveX Class ID

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