Vulnerability CVE-2008-3900
Published: 2008-09-03   Modified: 2012-02-12

Description:
Intel firmware PE94510M.86A.0050.2007.0710.1559 stores pre-boot authentication passwords in the BIOS Keyboard buffer and does not clear this buffer after use, which allows local users to obtain sensitive information by reading the physical memory locations associated with this buffer.

See advisories in our WLB2 database:
Topic
Author
Date
Low
Intel BIOS Plain Text Password Disclosure
iViZ
04.09.2008

Type:

CWE-200

 (Information Exposure)

CVSS2 => (AV:L/AC:L/Au:N/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
2.1/10
2.9/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
Intel -> BIOS 

 References:
http://securityreason.com/securityalert/4205
http://securitytracker.com/id?1020738
http://www.ivizsecurity.com/preboot-patch.html
http://www.ivizsecurity.com/research/preboot/preboot_whitepaper.pdf
http://www.securityfocus.com/archive/1/495804/100/0/threaded
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