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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).	Microsoft Windows Kernel ANI File Parsing Crash and DOS Vulnerability 27 Dec. 2004    Summary Parsing a specially crafted ANI file causes the Windows kernel to crash or stop to work properly. An attacker can crash or freeze a target system if he sends a specially crafted ANI file within an HTML page or within an Email.   Credit: The information has been provided by Flashsky. 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 ANI stands for Windows Animated Cursor and manages many images frames. Two vulnerabilities exist in the Windows kernel when it parses ANI files. A first vulnerability exists because there is no proper check of the frame number set in the ANI file header. If the Windows kernel try to parse the ANI file (offset 0x78 in the ANI file header) and the frame number is set to 0, the kernel will calculate a wrong address to access and then crash. A second vulnerability exists because there is (again) no proper check of the rate number set in the ANI file header. Setting this number to 0 causes the windows kernel to use up to all of the system resources and then freeze. More details and POC at http://www.xfocus.net/flashsky/icoExp/index.html  Comments:  Add new comment:  Subject:  Name/Nick/Email:          Chars Left:	All Sections Security News Unix focus Exploits Tools Windows focus Security Reviews  Related Articles SAP MaxDB Malformed Handshake Request Remote Code Execution Vulnerability Dojo Toolkit SDK Multiple DOM-Based XSS Vulnerabilities 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  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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