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Dell Pre-Boot Authentication Driver Uncontrolled Write Vulnerability
[ 0Day-ID-24766 ]
Full title
Dell Pre-Boot Authentication Driver Uncontrolled Write Vulnerability
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Category
Platform
Verified
Price
free
Risk
[Security Risk High
]Rel. releases
Description
The Dell Pre-Boot Authentication Driver (PBADRV.sys) contains a vulnerability that can be leveraged to enable an attacker to write arbitrary code. The 'OutputAddress' from the IOCTL call is not validated before it attempts to write to memory. The content of the write is a four-byte hex value that is always greater than that of the kernel base address. Using multiple writes, it may be possible to overwrite the first entry of HalDispatchTable in a way that the entry would point to a user-land address. An attacker need only allocate shellcode at said address and call the ntdll!NtQueryIntervalProfile() function.
CVE
CVE-2015-6856
Other Information
Abuses
0
Comments
0
Views
5 858
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free
Open Exploit
You can open this source code for free
You can open this source code for free
Verified by 0day Admin
Verified by 0day Admin
This material is checked by Administration and absolutely workable.
This material is checked by Administration and absolutely workable.
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