Update Protection against Sun Microsystems JRE Memory Exception Vulnerability
| Check Point Reference: | CPAI-2007-127 | |
| Date Published: | ||
| Severity: | ||
| Last Updated: | ||
| Source: | SecurityFocus: 25734 | |
| Industry Reference(s): | CVE-2007-5019 | |
| Protection Provided by: |
VPN-1
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| Who is Vulnerable? Sun Microsystems Java Web Start 1.6 and prior Sun Microsystems Java Development Kit (JDK) 6 Update 2 Sun Microsystems Java Runtime Environment (JRE) 6 Update 2 | ||
| Vulnerability Description A buffer overflow vulnerability exists in Sun Java Web Start ActiveX control in Java Runtime Environment. Java Technology is a programming platform used for web applications in numerous forms. Java provides a system for developing and deploying cross-platform applications. 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. |
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Vulnerability Details The vulnerability is due to a boundary error in the Sun Java Web Start ActiveX control that fails to properly handle user supplied data. 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 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 November 7, 2007 includes the following protections:
Microsoft Windows Media Player Skin Parsing Vulnerability (MS07-047) CPAI-2007-102
MIT Kerberos kadmind RPC Library Buffer Overflow Vulnerability (CPAI-2007-126)
Sun Microsystems JRE Memory Exception Vulnerability (CPAI-2007-127)
Microsoft Windows MFC Library Heap Overflow Vulnerability (CPAI-2007-128)
Protections against Recent Malware Threats (CPAI-2007-129)
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 Sun Java Web Start dnsResolve ActiveX 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: Sun java web start dnsResolve activeX 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 Sun Java Web Start dnsResolve ActiveX Vulnerability
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: Sun java web start dnsResolve activeX 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 Sun Java Web Start dnsResolve ActiveX Vulnerability
3. Install security policy on all modules.
How Do I Know if My Network is Under Attack?
Rule #99937 will appear on the SmartView Tracker.
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 Sun Java Web Start dnsResolve ActiveX Vulnerability
3. Install security policy on all modules.
How Do I Know if My Network is Under Attack?
Rule #99937 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 Sun Java Web Start dnsResolve ActiveX Vulnerability
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: Sun java web start dnsResolve activeX detected