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Ask the Team  Mailing Lists  Advertising Info  Advisories  About SecuriTeam  Blogs Brought to you by: Suppliers of: Website Testing Tools Network Testing Tools Software Testing Tools SecuriTeam in Your Inbox New vulnerability? New tool? Tell us (Our PGP key).	Kerio Personal Firewall Service Termination 20 Jul. 2006    Summary Sunbelt Kerio Personal Firewall is a popular firewall software for Windows systems. A vulnerability in the Kerio Firewall software allows to crash its service, thus bypassing the firewall.   Credit: The information has been provided by matousec.com. The original article can be found at: http://www.matousec.com/info/advisories/Kerio-Terminating-kpf4ss-exe-using-internal-runtime-error.php Website Security Scan Code Vulnerability Test Network Assessment Tool Detect hidden vulnerabilities Exhaustive automated testing Real-time, continuous security Get guidance from professionals of internal or 3rd party code. scanning for your entire network    Details Protect your website! Use an External Vulnerability Scanner! Nothing to install. First report in 1 hour! www.beyondsecurity.com/vulnerability-scanner Vulnerable Systems:  * Sunbelt Kerio Personal Firewall 4.3.246 Immune Systems:  * Sunbelt Kerio Personal Firewall 4.3.268  * Sunbelt Kerio Personal Firewall 4.2.3.912 Kerio uses strange ring3 hooks that communicates the Kerio driver using an interrupt. Windows API CreateRemoteThread is hooked by Kerio in user mode in every process. Calling this API can cause a crash of the Kerio service 'kpf4ss.exe'. The cause of this behavior is unknown. The crash of the Kerio service equals to disabling the protection. The tray icon of Kerio is not functional any more after exploiting the bug, any application can perform arbitrary protected action including Internet access and process creation. Disclosure Timeline:  * 2006-07-15: Vendor notification  * 2006-07-15: Advisory released  * 2006-07-17: Vulnerability confirmed by popular information sources  * 2006-07-17: Received request from the product vendor to temporarily remove the exploit code  Comments:  Add new comment:  Subject:  Name/Nick/Email:          Chars Left:	All Sections Security News Unix focus Exploits Tools Windows focus Security Reviews  Related Articles Microsoft Indeo Codec Memory Corruption Vulnerability HP DDMI Execution of Arbitrary Code Microsoft Windows License Logging Service Heap Corruption Vulnerability Microsoft Office Excel Code Execution Vulnerabilities Microsoft SharePoint 2007 ASP.NET Source Code Disclosure Microsoft Windows Local Security Authority Integer Overflow Vulnerability Windows Kernel Multiple Vulnerabilities Microsoft Windows ActiveX Indexing Service Memory Corruption Vulnerability Microsoft IIS FTP Service Code Execution and DoS Vulnerability Microsoft GDI+ Multiple Vulnerabilities Microsoft .NET Common Language Runtime Multiple Vulnereabilities Microsoft Active Template Library ActiveX Controls Multiple Vulnerabilities ActiveX Active Template Library Initialization Vulnerability Internet Explorer Multiple Remote Code Execution Vulnerabilities Windows Media Player ASF File Remote Code Execution  Featured Articles Microsoft Embedded OpenType Font Engine Heap Buffer Overflow (MS09-029) Virtualmin Multiple Vulnerabilities Microsoft WordPad Word97 Converter Stack Buffer Overflow Vulnerability (MS09-010) WordPress Unchecked Privileges in admin.php and Multiple Information Disclosures Microsoft PowerPoint Conversion Filter Heap Corruption Vulnerability (MS09-017) Adobe Shockwave Player Director File Parsing Pointer Overwrite Mozilla Firefox Java Applet Loading Vulnerability
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