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Update Protection against Symantec Backup Exec ActiveX Control Buffer Overflow Vulnerability

Check Point Reference: CPAI-2008-057
Date Published:
Severity:
Source: Secunia Advisory: SA27885
Industry Reference(s): CVE-2007-6016
Protection Provided by: VPN-1
  • NGX R65
  • NGX R62
  • NGX R61
  • NGX R60
  • NG with Application Intelligence R55
VSX
  • NGX
  • NGX R65
InterSpect
  • NGX
Who is Vulnerable?
Symantec Backup Exec for Windows Server (BEWS) 11d Build 11.0.6235
Symantec Backup Exec for Windows Server (BEWS) 11d Build 11.0.7170
Symantec Backup Exec for Windows Server (BEWS) 12.0 Build 12.0.1364
Vulnerability Description
A buffer overflow vulnerability has been reported in the Symantec Backup Exec for Windows Servers. Symantec Backup Exec is a data backup and recovery system for Windows. By convincing a user to visit a specially crafted Web page, a remote attacker may trigger this vulnerability to execute arbitrary code on an affected system.
Update/Patch Available
Apply Hotfix:
Symantec
Vulnerability Details
The vulnerability is due to a boundary error in the Symantec Backup Exec ActiveX control of the Scheduler component. To trigger this issue, an attacker may create a malicious web page that will exploit this vulnerability. Successful exploitation may allow execution of arbitrary code on a vulnerable system.

Protection Overview
By enabling this protection, SmartDefense will detect and block the vulnerable ActiveX Control. Depending on the traffic mix, activating this protection may result in performance degradation.

In order for the protection to be activated, update your VPN-1/InterSpect product to the latest SmartDefense update. For information on how to update 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.

VPN-1 NGX R65 & R62

How Can I Protect My Network?
1. In the SmartDefense tab, click Web Intelligence > HTTP Client Protections > Microsoft Internet Explorer Vulnerabilities > Block Symantec Backup Exec Calendar ActiveX 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 backup exec calendar ActiveX buffer overflow detected

VPN-1 NGX R61 & R60

How Can I Protect My Network?
1. In the Web Intelligence tree, click HTTP Client Protections > Microsoft Internet Explorer Vulnerabilities.
2. Select the following:

Block Symantec Backup Exec Calendar ActiveX Buffer Overflow

3. Install security 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 backup exec calendar ActiveX buffer overflow detected

VPN-1 NG with Application Intelligence R55

How Can I Protect My Network?
1. In the SmartDefense tree, click Application Intelligence > Web > HTTP Client Protections > Microsoft Internet Explorer Vulnerabilities.
2. Select the following:

Block Symantec Backup Exec Calendar ActiveX Buffer Overflow

3. Install security policy on all modules.

How Do I Know if My Network is Under Attack?
Rule #99987 will appear on the SmartView Tracker.

VPN-1 VSX NGX R65

How Can I Protect My Network?
1. In the SmartDefense tab, click Web Intelligence > HTTP Client Protections > Microsoft Internet Explorer Vulnerabilities > Block Symantec Backup Exec Calendar ActiveX 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 backup exec calendar ActiveX buffer overflow detected

VPN-1 VSX NGX

How Can I Protect My Network?
1. In the SmartDefense tree, click Application Intelligence > Web > HTTP Client Protections > Microsoft Internet Explorer Vulnerabilities.
2. Select the following:

Block Symantec Backup Exec Calendar ActiveX Buffer Overflow

3. Install security policy on all modules.

How Do I Know if My Network is Under Attack?
Rule #99987 will appear on the SmartView Tracker.

InterSpect NGX

How Can I Protect My Network?
1. In the left pane, select Profiles > Default Protection and select the Web Intelligence page of the profile.
2. In the Web Intelligence tree, click HTTP Client Protections > Microsoft Internet Explorer vulnerabilities.
3. Select the following:

Block Symantec Backup Exec Calendar ActiveX Buffer Overflow

4. Install security 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 backup exec calendar ActiveX buffer overflow detected