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Microsoft Security Advisory (971492): Vulnerability in Internet Information Services


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Special Forums Windows & DOS: Issues & Discussions Security Advisories (RSS) - Microsoft Microsoft Security Advisory (971492): Vulnerability in Internet Information Services
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Old 05-19-2009
Microsoft Security Advisory (971492): Vulnerability in Internet Information Services
Revision Note: Security Advisory published. Advisory Summary:Microsoft is investigating new public reports of a possible vulnerability in Microsoft Internet Information Services (IIS). An elevation of privilege vulnerability exists in the way that the WebDAV extension for IIS handles HTTP requests. An attacker could exploit this vulnerability by creating a specially crafted anonymous HTTP request to gain access to a location that typically requires authentication.

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LEARN ABOUT FREEBSD

hv_ata_pci_disengage

HYPER-V(4)						   BSD Kernel Interfaces Manual 						HYPER-V(4)

NAME

     hv_ata_pci_disengage -- Hyper-V ATA PCI Disengage driver

SYNOPSIS

     To compile this driver into the kernel, place the following lines in the system kernel configuration file:

	   device hyperv

DESCRIPTION

     The hv_ata_pci_disengage driver prevents the native FreeBSD ATA driver from loading in the presence of Hyper-V.  FreeBSD guests running on
     Hyper-V can take advantage of the Hyper-V Storage Virtual Consumer (hv_storvsc(4)) for using their IDE devices.  Since the ATA driver serves
     IDE devices as well, there is a chance that the ATA driver may interfere with the operations of hv_storvsc(4).  The hv_ata_pci_disengage
     driver avoids conflicts between the ATA driver and hv_storvsc(4) by disabling the ATA driver when the FreeBSD guest is booting.

     A side effect of disabling the ATA driver is that CDROM may become inoperational on FreeBSD guest partitions.  If CDROM access is a must then
     users may use "set hw.ata.disk_enable=1" at boot time to prevent the ATA driver from being disabled.

SEE ALSO

     hv_netvsc(4), hv_storvsc(4), hv_utils(4), hv_vmbus(4)

HISTORY

     Support for hv_ata_pci_disengage first appeared in FreeBSD 10.0.  The driver was developed through a joint effort between Citrix Incorpo-
     rated, Microsoft Corporation, and Network Appliance Incorporated.

AUTHORS

     FreeBSD support for hv_ata_pci_disengage was first added by Microsoft BSD Integration Services Team <bsdic@microsoft.com>.

BSD
								September 10, 2013							       BSD