Secunia

A vulnerability has been reported in SanDisk Cruzer Enterprise USB Flash Drives, which can be exploited by malicious people with physical access to a device to bypass certain security restrictions.

The vulnerability is caused due to "ExmpSrv.exe" using a fixed 32-byte key to access the USB drive. This can be exploited to access and disclose the content of the USB drive without having the correct password.

The vulnerability is reported in "ExmpSrv.exe" version 2.5.6.24 and affects the following products:
* Cruzer Enterprise USB flash drive, CZ22 - 1GB, 2GB, 4GB, 8GB
* Cruzer Enterprise FIPS Edition USB flash drive, CZ32 - 1GB, 2GB, 4GB, 8GB
* Cruzer Enterprise with McAfee USB flash drive, CZ38 - 1GB, 2GB, 4GB, 8GB
* Cruzer Enterprise FIPS Edition with McAfee USB flash drive, CZ46 - 1GB, 2GB, 4GB, 8GB

Solution
The vendor has issued a software update.

Provided and/or discovered by
Matthias Deeg and Sebastian Schreiber, SySS GmbH

Changelog
Further details available in Customer Area

Original Advisory
SanDisk:
http://www.sandisk-enterprise.com/update2/

SySS GmbH:
http://www.syss.de/fileadmin/ressources/040_veroeffentlichungen/dokumente/SySS_knackt_SanDisk_USB-Stick.pdf

Deep Links
Links available in Customer Area