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             AUSCERT External Security Bulletin Redistribution

                              ESB-2010.0016.2
         USB Flash Drive Password Validation Flaw Lets Local Users
                          Bypass Access Controls
                              8 January 2010

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           SanDisk Cruzer® Enterprise FIPS Edition with McAfee USB flash drive,
                       CZ46 - 1GB
                   SanDisk Cruzer® Enterprise FIPS Edition USB flash drive, 
                       CZ32 - 1GB, 2GB, 4GB, 8GB
                   SanDisk Cruzer® Enterprise with McAfee USB flash drive, 
                       CZ38 - 1GB, 2GB, 4GB, 8GB
                   SanDisk Cruzer® Enterprise USB flash drive, 
                       CZ22 - 1GB, 2GB, 4GB, 8GB
                   Kingston DataTraveler BlackBox (DTBB)
                   Kingston DataTraveler Secure - Privacy Edition (DTSP)
                   Kingston DataTraveler Elite - Privacy Edition (DTEP)
                   Verbatim Corporate Secure FIPS Edition USB Flash Drives 
                       1GB, 2GB, 4GB, 8GB
                   Verbatim Corporate Secure USB Flash Drive 
                       1GB, 2GB, 4GB, 8GB
Publisher:         CCIRC
Operating System:  Portable Device
                   Windows
Impact/Access:     Access Confidential Data -- Console/Physical
Resolution:        Patch/Upgrade
CVE Names:         CVE-2010-0229 CVE-2010-0228 CVE-2010-0227
                   CVE-2010-0226 CVE-2010-0225 CVE-2010-0224
                   CVE-2010-0223 CVE-2010-0222 CVE-2010-0221

Original Bulletin: 
   http://www.publicsafety.gc.ca/prg/em/ccirc/2010/av10-001-eng.aspx

Revision History:  January 8 2010: Added CVE numbers
                   January 8 2010: Initial Release

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PUBLIC SAFETY CANADA CANADIAN CYBER INCIDENT RESPONSE CENTRE

***************** 
ADVISORY 
*****************

Number: AV10-010 
Date: 07 January 2010

************************************************* 
USB Flash Drive Password Validation Flaw Lets Local Users Bypass Access Controls 
*************************************************

PURPOSE 
- --------- 
The purpose of this advisory is to bring attention to a vulnerability which
affects 'secure' USB flash drives, affecting multiple vendors.

ASSESSMENT 
- ------------- 
Local users can bypass access controls to access data on USB flash drives. 
A German security firm has declared that it is possible to modify the 
access control software to allow unauthorized access to local attackers.

The vulnerability affects certain models of USB flash drives produced by 
Kingston, Verbatim, and SanDisk: 

SanDisk Cruzer® Enterprise FIPS Edition with McAfee USB flash drive, 
  CZ46 - 1GB,
SanDisk Cruzer® Enterprise FIPS Edition USB flash drive, 
  CZ32 - 1GB, 2GB, 4GB, 8GB 
SanDisk Cruzer® Enterprise with McAfee USB flash drive, 
  CZ38 - 1GB, 2GB, 4GB, 8GB 
SanDisk Cruzer® Enterprise USB flash drive, 
  CZ22 - 1GB, 2GB, 4GB, 8GB
Kingston DataTraveler BlackBox (DTBB) 
Kingston DataTraveler Secure - Privacy Edition (DTSP) 
Kingston DataTraveler Elite - Privacy Edition (DTEP) 
Verbatim Corporate Secure FIPS Edition USB Flash Drives 1GB, 2GB, 4GB, 8GB 
Verbatim Corporate Secure USB Flash Drive 1GB, 2GB, 4GB, 8GB

CCIRC is not aware of any reports indicating that this vulnerability is being
exploited, or that exploit code is available in the wild.

SUGGESTED ACTION 
- ---------------- 
Kingston, Verbatim and SanDisk have all issued fixes for the problem: 

http://www.kingston.com/driveupdate/ 
http://www.sandisk.com/business-solutions/enterprise/technical-support/security-bulletin-december-2009
http://www.verbatim.com/security/security-update.cfm

CCIRC recommends that administrators identify affected products, assess the need
to update and identify potential dependencies regarding 'secure' USB flash drives.

References: 
http://securitytracker.com/alerts/2010/Jan/1023410.html 
http://securitytracker.com/alerts/2010/Jan/1023409.html 
http://securitytracker.com/alerts/2010/Jan/1023408.html

http://www.sophos.com/blogs/gc/g/2010/01/05/flash-drive-manufacturers-warn-hackers-decrypt-secure-usb-sticks/

=================

Note to Readers

The Canadian Cyber Incident Response Centre (CCIRC) provides a focal point for
Canada's cyber threat and vulnerability warning, analysis and response. CCIRC
is responsible for assuring the resilience of national critical infrastructure
through monitoring threats and coordinating a federal response to cyber 
security incidents of national interest. CCIRC operates in conjunction with 
the Government Operations Centre (GOC) within Public Safety Canada and is a 
key component of the government's all-hazards approach to emergency management
and national security.

For general inquires into the role of Public Safety Canada, please contact the
department's Public Affairs division at: 

Telephone: 613-944-4875 or 1-800-830-3118 
Fax: 613-998-9589 
E-mail: communications@ps-sp.gc.ca

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Incident Reporting Form at:

        http://www.auscert.org.au/render.html?it=3192

===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
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