Secunia Logo  
 
Microsoft BitLocker Password Disclosure Security Issue
Secunia Advisory: SA31619
Release Date: 2008-09-01
Last Update: 2008-09-04
Popularity: 3,523 views

Critical:
Less critical
Impact: Exposure of sensitive information
Where: Local system
Solution Status: Vendor Patch

OS:Microsoft Windows Vista

Subscribe: Instant alerts on relevant vulnerabilities

CVE reference:CVE-2008-3893


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


Track this Secunia Advisory
Customers of the Secunia Vulnerability Intelligence solutions will automatically receive updates when new information regarding this advisory is released.

Read more about our Vulnerability Intelligence solutions and what they can do for you and your company.

About this Secunia Advisory
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.
  
Latest Advisories

Send Feedback to Secunia
If you have new information regarding this Secunia advisory or a product in our database, please send it to us using either our web form or email us at vuln@secunia.com.

Ideas, suggestions, and other feedback are most welcome.

Most Popular - 3 Hours

1. Drupal Project Module File Upload and Cross-Site Scripting // 37 views
2. SmbFTPD Long Command Processing Vulnerability // 30 views
3. NTP OpenSSL "EVP_VerifyFinal()" Spoofing Vulnerability // 27 views
4. Mambo "GLOBALS['mosConfig_absolute_path']" File Inclusion // 27 views
5. Cisco Global Site Selector DNS Request Denial of Service // 26 views
6. ArticleBeach Script "page" File Inclusion Vulnerability // 25 views
7. tnftpd Long Command Processing Vulnerability // 25 views
8. FreeBSD update for openssl // 25 views
9. FreeBSD update for lukemftpd // 25 views
10. Lasso OpenSSL "DSA_verify()" Spoofing Vulnerability // 24 views