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Date: Sun, 15 Mar 2015 13:35:16 +0000 (UTC) From: Nick Prowse <nick_prowse34@...oo.co.uk> To: "Full Disclosure. Mailing list" <fulldisclosure@...lists.org> Subject: [FD] Multiple Buffer Overflows in .NetFramework v4.03 - Win 8.0 Pro - x64 Multiple Buffer Overflows in .NetFramework v4.03 Researcher: Nicholas Prowse Filename: ngen.exe MD5: ca72696a9861f14cf76f1637b8e6bc44File size: 139264 bytes Operating System: Windows 8.0 OS Version: Pro Architecture: x64 Description: MS Common Language Runtime Native Compiler Image Path: C:\Windows\.Microsoft.NET\Frameworkv4.0.30319\ngen.exe Operations (Registry Activity): RegQueryValue and RegEnumKey Registry Keys referenced: - HKLM\SOFTWARE\Wow3264Node\Microsoft\.NetFramework\v2.0.50727\NGenService\Roots and its Subkeys - HKLM\SOFTWARE\Microsoft\.NetFramework\v2.0.50727\NGenService\Roots and its SubKeys - HKU\.Default\Control Panel\Desktop\MuiCached\MachinePreferedUILanguages Proof-of-concept or exploit code: None availableImpact: Not yet known Steps to reproduce:Install Windows 8.0 x64 from disk. Once installed started capture with Procmon v3.1. Started Diagnostic Troubleshooting Wizard. Multiple entries with "Buffer overflow" visible in Process Monitor capture. Further info:Pml file of capture is available for further investigation including possible Stack Trace.- The same .pml file contains Diagnostic Troubleshooting Wizard Buffer overflows that has been reported to Microsoft via email separately. Timeline: The issue has been made publicly available on 11/03/2015 on www.nicholasprowse.co.uk/vulnerability-research.htmlEmailed MS on 12/03/2015.Received email from MSRC on 12/03/2015 opening case. _______________________________________________ Sent through the Full Disclosure mailing list https://nmap.org/mailman/listinfo/fulldisclosure Web Archives & RSS: http://seclists.org/fulldisclosure/
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