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Microsoft BitLocker Password Disclosure Security Issue
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Secunia Advisory:
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SA31619
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Release Date:
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2008-09-01
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Last Update:
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2008-09-04
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Popularity:
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3,500 views
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Critical:
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Less critical
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Impact:
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Exposure of sensitive information
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Where:
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Local system
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Solution Status:
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Vendor Patch
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| OS: | Microsoft Windows Vista
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| CVE reference: | CVE-2008-3893
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Description:
A security issue has been reported in Microsoft BitLocker, which can be exploited by malicious, local users to disclose sensitive information.
The security issue is caused due to the BIOS keyboard buffer not being properly flushed when pre-boot authentication is used and can be exploited to disclose the used password.
Successful exploitation requires that BitLocker is configured to use a TPM chip.
The security issue is reported in Microsoft BitLocker included Windows Vista without Service Pack 1.
Solution:
The security issue is reportedly fixed in Windows Vista Service Pack 1.
Provided and/or discovered by:
Jonathan Brossard, iViZ Techno Solutions
Changelog:
2008-09-04: Added CVE reference.
Original Advisory:
http://www.ivizsecurity.com/security-advisory-iviz-sr-0801.html
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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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