Operating System:

[Win]

Published:

19 June 2013

Protect yourself against future threats.

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                         AUSCERT Security Bulletin

                               ASB-2013.0076
            SSA-194865: Security Vulnerability in Siemens COMOS
                               19 June 2013

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

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

Product:              Siemens COMOS
Operating System:     Windows
Impact/Access:        Increased Privileges -- Existing Account
Resolution:           Patch/Upgrade
Member content until: Friday, July 19 2013

OVERVIEW

        A vulnerability has been identified in Siemens COMOS version prior to 
        9.2.0.6.10 and 10.0.3.0.4 [1]


IMPACT

        The vendor has provided the following description regarding the 
        vulnerability:
        
        "Vulnerability Description (CVE-2013-3927)
        Authenticated users with read privileges can use the client library to 
        elevate their privileges for the COMOS database system. This enables 
        the users to access and modify all COMOS objects available in the 
        database.
        
        CVSS Base Score		4.6
        CVSS Temporal Score 	3.6
        CVSS Overall Score	3.6 
        (AV:L/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C)" [1]


MITIGATION

        The vendor recommends updating to Siemens COMOS version 9.2.0.6.10 or 
        10.0.3.0.4. [1]


REFERENCES

        [1] SSA-194865: Security Vulnerability in Siemens COMOS
            http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-194865.pdf

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.

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