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                         AUSCERT Security Bulletin

                               ASB-2010.0250
          A vulnerability has been identified in Sophos SafeGuard
                    Enterprise Device Encryption Client
                             13 December 2010

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

Product:              SafeGuard Enterprise Device Encryption 5.x
                      SafeGuard Easy Device Encryption Client 5.50.x
                      Sophos Disk Encryption 5.50.x
Operating System:     Windows
Impact/Access:        Unauthorised Access -- Remote with User Interaction
Resolution:           Patch/Upgrade
Member content until: Wednesday, January 12 2011

OVERVIEW

        A vulnerability has been identified in Sophos SafeGuard Enterprise
        Device Encryption Client.


IMPACT

        The vendor has provided the following details regarding this
        vulnerability:
        
        "A potential vulnerability has been found in Safeguard Enterprise 5.x 
        and SafeGuard Easy 5.5x and Sophos Disk Encryption v 5.5x that could 
        allow an informed attacker, under specific circumstances, to reuse 
        outdated or invalidated credentials for locally accessing an endpoint 
        computer." [1]


MITIGATION

        The vendor has released patches to correct this issue, which are 
        available from Sophos' website. [1]


REFERENCES

        [1] Advisory: SafeGuard Enterprise - Sophos releases patch for
            potential vulnerabilty in SGN 5.x and SGE/SDE 5.5x
            http://www.sophos.com/support/knowledgebase/article/112655.html

AusCERT has made every effort to ensure that the information contained
in this document is accurate.  However, the decision to use the information
described is the responsibility of each user or organisation. The decision to
follow or act on information or advice contained in this security bulletin is
the responsibility of each user or organisation, and should be considered in
accordance with your organisation's site policies and procedures. AusCERT
takes no responsibility for consequences which may arise from following or
acting on information or advice contained in this security bulletin.

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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)
                AusCERT personnel answer during Queensland business hours 
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
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