National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2008-3894 Detail

Description

IBM Lenovo firmware 7CETB5WW 2.05 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.

Source:  MITRE
Description Last Modified:  09/03/2008

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 2.1 LOW
Vector: (AV:L/AC:L/Au:N/C:P/I:N/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 3.9


Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): None
Availability (A): None
Additional Information:
Allows unauthorized disclosure of information

Vendor Statements (disclaimer)

Official Statement from Lenovo (11/05/2008)

Lenovo has released a BIOS update to address this issue. http://www-307.ibm.com/pc/support/site.wss/document.do?lndocid=MIGR-64580

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://securityreason.com/securityalert/4207
http://www.ivizsecurity.com/preboot-patch.html
http://www.ivizsecurity.com/research/preboot/preboot_whitepaper.pdf
http://www.securityfocus.com/archive/1/archive/1/495808/100/0/threaded

Technical Details

Vulnerability Type (View All)

  • Information Leak / Disclosure (CWE-200)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1
OR
cpe:2.3:h:ibm:lenovo_7cetb5ww:2.05:*:*:*:*:*:*:*

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

1 change record found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2008-3894
NVD Published Date:
09/03/2008
NVD Last Modified:
01/29/2009