---------------------------------------------------------------------- Do you have VARM strategy implemented? (Vulnerability Assessment Remediation Management) If not, then implement it through the most reliable vulnerability intelligence source on the market. Implement it through Secunia. For more information visit: http://secunia.com/advisories/business_solutions/ Alternatively request a call from a Secunia representative today to discuss how we can help you with our capabilities contact us at: sales@secunia.com ---------------------------------------------------------------------- TITLE: Microsoft .NET Framework Denial of Service Vulnerability SECUNIA ADVISORY ID: SA36127 VERIFY ADVISORY: http://secunia.com/advisories/36127/ DESCRIPTION: A vulnerability has been reported in Microsoft .NET Framework, which can be exploited by malicious people to cause a DoS (Denial of Service). The vulnerability is caused due to an error in the way ASP .NET manages request scheduling when used in combination with IIS (Internet Information Services) 7.0. This can be exploited via a specially crafted HTTP request to cause an affected web server to stop responding until restarted. Successful exploitation requires that IIS 7.0 is installed and ASP.NET is configured to use integrated mode. Systems running ASP.NET on IIS 7.0 in classic mode are not affected. NOTE: According to Microsoft, the vulnerability is already being exploited on a limited scale. SOLUTION: Apply patches. -- Windows Vista -- Microsoft .NET Framework 2.0 SP1 / Microsoft .NET Framework 3.5: http://www.microsoft.com/downloads/details.aspx?familyid=d42444bb-5030-4b47-87fa-9df3a8c640ff Microsoft .NET Framework 2.0 SP2 / Microsoft .NET Framework 3.5 SP1: http://www.microsoft.com/downloads/details.aspx?familyid=310f3aa6-c264-45a2-b24a-3f178b41830e -- Windows Vista SP1 -- Microsoft .NET Framework 2.0 SP1 / Microsoft .NET Framework 3.5: http://www.microsoft.com/downloads/details.aspx?familyid=cbf40800-f3b3-43da-ace1-d942d3378ccd Microsoft .NET Framework 2.0 SP2 / Microsoft .NET Framework 3.5 SP1: http://www.microsoft.com/downloads/details.aspx?familyid=87c4a868-b3b5-467d-96a4-633532ab548f -- Windows Vista x64 Edition -- Microsoft .NET Framework 2.0 SP1 / Microsoft .NET Framework 3.5: http://www.microsoft.com/downloads/details.aspx?familyid=d42444bb-5030-4b47-87fa-9df3a8c640ff Microsoft .NET Framework 2.0 SP2 / Microsoft .NET Framework 3.5 SP1: http://www.microsoft.com/downloads/details.aspx?familyid=310f3aa6-c264-45a2-b24a-3f178b41830e -- Windows Vista x64 Edition SP1 -- Microsoft .NET Framework 2.0 SP1 / Microsoft .NET Framework 3.5: http://www.microsoft.com/downloads/details.aspx?familyid=cbf40800-f3b3-43da-ace1-d942d3378ccd Microsoft .NET Framework 2.0 SP2 / Microsoft .NET Framework 3.5 SP1: http://www.microsoft.com/downloads/details.aspx?familyid=87c4a868-b3b5-467d-96a4-633532ab548f -- Windows Server 2008 for 32-bit Systems -- Microsoft .NET Framework 2.0 SP1 / Microsoft .NET Framework 3.5: http://www.microsoft.com/downloads/details.aspx?familyid=cbf40800-f3b3-43da-ace1-d942d3378ccd Microsoft .NET Framework 2.0 SP2 / Microsoft .NET Framework 3.5 SP1: http://www.microsoft.com/downloads/details.aspx?familyid=87c4a868-b3b5-467d-96a4-633532ab548f -- Windows Server 2008 for x64-based Systems -- Microsoft .NET Framework 2.0 SP1 / Microsoft .NET Framework 3.5: http://www.microsoft.com/downloads/details.aspx?familyid=cbf40800-f3b3-43da-ace1-d942d3378ccd Microsoft .NET Framework 2.0 SP2 / Microsoft .NET Framework 3.5 SP1: http://www.microsoft.com/downloads/details.aspx?familyid=87c4a868-b3b5-467d-96a4-633532ab548f -- Windows Server 2008 for Itanium-based Systems -- Microsoft .NET Framework 2.0 SP1 / Microsoft .NET Framework 3.5: http://www.microsoft.com/downloads/details.aspx?familyid=cbf40800-f3b3-43da-ace1-d942d3378ccd Microsoft .NET Framework 2.0 SP2 / Microsoft .NET Framework 3.5 SP1: http://www.microsoft.com/downloads/details.aspx?familyid=87c4a868-b3b5-467d-96a4-633532ab548f PROVIDED AND/OR DISCOVERED BY: The vendor credits Alexander Pfandt, Digitaria. ORIGINAL ADVISORY: MS09-036 (KB970957, KB972591, KB972592, KB972593, KB972594) http://www.microsoft.com/technet/security/Bulletin/MS09-036.mspx ---------------------------------------------------------------------- About: This Advisory was delivered by Secunia as a free service to help everybody keeping their systems up to date against the latest vulnerabilities. Subscribe: http://secunia.com/advisories/secunia_security_advisories/ Definitions: (Criticality, Where etc.) http://secunia.com/advisories/about_secunia_advisories/ Please Note: Secunia recommends that you verify all advisories you receive by clicking the link. Secunia NEVER sends attached files with advisories. Secunia does not advise people to install third party patches, only use those supplied by the vendor. ---------------------------------------------------------------------- Unsubscribe: Secunia Security Advisories http://secunia.com/sec_adv_unsubscribe/?email=packet%40packetstormsecurity.org ----------------------------------------------------------------------