Novell iManager: Denial of Service -- Existing Account

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                         AUSCERT Security Bulletin

                               ASB-2012.0055
            iManager crashes due to buffer overflow in jclient
                               12 April 2012

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

Product:              Novell iManager
Operating System:     Windows
                      Netware
                      SUSE
                      Red Hat
Impact/Access:        Denial of Service -- Existing Account
Resolution:           Patch/Upgrade
CVE Names:            CVE-2011-4188  
Member content until: Saturday, May 12 2012

OVERVIEW

        A buffer overflow vulnerability has been fixed in Novell iManager
        2.7.4.


IMPACT

        Novell has provided the following information about the vulnerability:
        
        "The vulnerability can be triggered using the Create Attribute function
        from the web interface of Novell iManager. Authentication in the Novell
        iManager is needed to trigger the vulnerability. Using a specially
        crafted EnteredAttrName parameter the overflow can be triggered." [1]


MITIGATION

        There are patches available from the Novell website. [1]


REFERENCES

        [1] Security Vulnerability: iManager crashes due to buffer overflow in
            jclient
            http://www.novell.com/support/viewContent.do?externalId=7002971

        [2] Vulnerability Summary for CVE-2011-4188
            http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2011-4188

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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