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.
References (4)
Core 4
Core References
Third Party Advisory third-party-advisory
x_refsource_sreason
http://securityreason.com/securityalert/4207
Various Sources x_refsource_misc
http://www.ivizsecurity.com/preboot-patch.html
Various Sources x_refsource_misc
http://www.ivizsecurity.com/research/preboot/preboot_whitepaper.pdf
Third Party Advisory, VDB Entry mailing-list
x_refsource_bugtraq
http://www.securityfocus.com/archive/1/495808/100/0/threaded
Scores
EPSS
0.0032
EPSS Percentile
23.5%
Details
CWE
CWE-200
Status
published
Products (1)
ibm/lenovo_7cetb5ww
2.05
Published
Sep 03, 2008
Tracked Since
Feb 18, 2026