Update Protection against WinZip FileView ActiveX Controls Buffer Overflow Vulnerability
| Check Point Reference: | CPAI-2007-092 | |
| Date Published: | ||
| Severity: | ||
| Source: | Secunia Advisory: SA22891 | |
| Industry Reference(s): | CVE-2006-6884 | |
| Protection Provided by: |
VPN-1
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| Who is Vulnerable? WinZip 10.0 Build 6667 | ||
| Vulnerability Description A buffer overflow vulnerability has been reported in WinZip. WinZip is a file archiver and compressor for Microsoft Windows. A remote attacker could exploit this issue by convincing a user to visit a specially crafted HTML document or open a malicious web page. Successful exploitation could result in remote code execution on the target system once the malicious page is loaded. |
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Vulnerability Details The vulnerability is due to an error in the WinZip FileView ActiveX control (WZFILEVIEW.FileViewCtrl.61). To trigger the vulnerability, an attacker can create a malicious web page that initiates the vulnerable ActiveX control with a long argument to the CreateNewFolderFromName method. Successful exploitation of this issue allows execution of arbitrary code on the 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.
Additional Information
The Update released on August 21, 2007 includes the following protections:
Sun Microsystems Java System Web Proxy sockd Daemon Buffer Overflow Vulnerability (CPAI-2007-091)
WinZip FileView ActiveX Controls Buffer Overflow Vulnerability (CPAI-2007-092)
Provideo ISSCamControl Module ActiveX Control Buffer Overflow Vulnerability (CPAI-2007-093)
Trend Micro ServerProtect EarthAgent DCE-RPC Buffer Overflow Vulnerability (CPAI-2007-097)
Trend Micro ServerProtect CreateBinding DCE-RPC Buffer Overflow Vulnerability (CPAI-2007-098)
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 WinZip ActiveX Control Instantiation Vulnerability.
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: WinZip activeX control instantiation detected
VPN-1 NGX R61, R60, VPN-1 NG with Application Intelligence R55W
How Can I Protect My Network? Block WinZip ActiveX Control Instantiation Vulnerability
1. In the Web Intelligence tree, click HTTP Client Protections > Microsoft Internet Explorer Vulnerabilities.
2. Select the following pattern:
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: WinZip activeX control instantiation detected
VPN-1 NG with Application Intelligence R55
How Can I Protect My Network? Block WinZip ActiveX Control Instantiation Vulnerability
1. In the SmartDefense tree, click Application Intelligence > Web > HTTP Client Protections > Microsoft Internet Explorer Vulnerabilities.
2. Select the following pattern:
3. Install security policy on all modules.
How Do I Know if My Network is Under Attack?
Rule #99903 will appear on the SmartView Tracker.
VPN-1 VSX NGX
How Can I Protect My Network? Block WinZip ActiveX Control Instantiation Vulnerability
1. In the SmartDefense tree, click Application Intelligence > Web > HTTP Client Protections > Microsoft Internet Explorer Vulnerabilities.
2. Select the following pattern:
3. Install security policy on all modules.
How Do I Know if My Network is Under Attack?
Rule #99903 will appear on the SmartView Tracker.
InterSpect NGX
How Can I Protect My Network? Block WinZip ActiveX Control Instantiation Vulnerability
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 pattern:
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: WinZip activeX control instantiation detected
InterSpect 2.0
How Can I Protect My Network? Block WinZip ActiveX Control Instantiation Vulnerability
1. In the SmartDefense tree, click Application Intelligence > Web > HTTP Client Protections > Microsoft Internet Explorer vulnerabilities.
2. Select the following pattern:
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: WinZip activeX control instantiation detected