26440 : Microsoft Windows SMB MrxSmbCscIoctlOpenForCopyChunk Function Overflow
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Info

Last Modified
about 1 year ago

Percent Complete
100%

Disclosure
Jun 13, 2006

Discovery
Unknown

Dates

Exploit
Jun 13, 2006

Solution
Unknown

Keywords

 Aka the "SMB Driver Elevation of Privilege Vulnerability"

Description

 A local overflow exists in Microsoft SMB. The function 'MrxSmbCscIoctlOpenForCopyChunk' fails to validate input when handling certain DeviceIoControl requests resulting in an overflow. With a specially crafted request, an attacker can execute arbitrary code with escalated privileges resulting in a loss of integrity.

Classification

 Location: Local Access Required
Attack Type: Input Manipulation
Impact: Loss of Integrity
Exploit: Exploit Available
OSVDB: Web Related

Solution

 Currently, there are no known workarounds or upgrades to correct this issue. However, Microsoft has released a patch to address this vulnerability.

Products
Microsoft Corporation
Watch-list
Windows
Watch-list
 2003 Server SP1
XP SP2
XP SP1
2000 SP4

References

Tools & Filters

Nessus

 21692

Credit
  • RubĂ©n Santamarta - rubenBrand New Doo Dooreversemode.com - Reversemode

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