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Microsoft Windows MSGINA.DLL Read-Lock Denial Of Service Vulnerability
It has been reported that Microsoft Windows 2000 Servers and XP Pro are prone to a denial of service due to a problem with 'MSGINA.DLL'. This condition may be triggered by users who can successfully login to the server via RDP or ICA. 'MSGINA.dll' is the vendor-supplied Graphical Identification and Authentication dynamic-link library. If a malicious user causes a read-lock to be placed on '%SYSTEMROOT%\SYSTEM32\MSGINA.DLL', the next user logging in will be prompted with a dialog stating that 'MSGINA.DLL' failed to load and will be given the opportunity to restart the system. |
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