CVE-2008-3894 Information

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.

Reference

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/1/495808/100/0/threaded