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      Last Modified:  09/03/2008

Quick Info

CVE Dictionary Entry:
CVE-2008-3894
Original release date:
09/03/2008
Last revised:
01/29/2009
Source:
US-CERT/NIST

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score:
2.1 LOW
Vector:
(AV:L/AC:L/Au:N/C:P/I:N/A:N) (legend)
Impact Subscore:
2.9
Exploitability Subscore:
3.9
CVSS Version 2 Metrics:
Access Vector:
Locally exploitable
Access Complexity:
Low
Authentication:
Not required to exploit
Impact Type:
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 Type Source Name
http://securityreason.com/securityalert/4207 External Source SREASON 4207
http://www.ivizsecurity.com/preboot-patch.html External Source MISC http://www.ivizsecurity.com/preboot-patch.html
http://www.ivizsecurity.com/research/preboot/preboot_whitepaper.pdf External Source MISC http://www.ivizsecurity.com/research/preboot/preboot_whitepaper.pdf
http://www.securityfocus.com/archive/1/archive/1/495808/100/0/threaded External Source BUGTRAQ 20080825 [IVIZ-08-005] IBM Lenovo BIOS Plain Text Password Disclosure

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.

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