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                         AUSCERT Security Bulletin

                               ASB-2009.1014
                Novell eDirectory: Multiple Vulnerabilities
                               15 July 2009

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

Product:              Novell eDirectory 8.8
Operating System:     Netware
                      Windows
                      Linux variants
                      Solaris
                      AIX
Impact/Access:        Denial of Service -- Remote with User Interaction
Resolution:           Patch
CVE Names:            CVE-2009-0192  
Member content until: Friday, August 14 2009

OVERVIEW

        A remote code execution flaw and three denial of service 
        vulnerabilities have been identified in Novell eDirectory.


IMPACT

        (CVE-2009-0192)
        iMonitor has an off-by-one error which can be exploited to 
        execute arbitrary code or crash an affected server when processing 
        HTTP requests with specially crafted "Accept-Language" header. [1, 2]
        
        (CVE-2009-2456)
        Malformed LDAP requests can be exploited using multiple wildcard
        characters to crash (nsd core dump) an affected server. [1, 3]
        
        (CVE-2009-2457)
        Directory Services allows remote attackers to cause a denial of 
        service (crash) via a malformed bind LDAP packet. [1, 4]


MITIGATION

        The vendor recommends updating to Novell eDirectory 8.8 SP5. [5]


REFERENCES

        [1] History of Issues Resolved in eDirectory 8.8.x
            http://www.novell.com/support/viewContent.do?externalId=3426981

        [2] CVE-2009-0192
            http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2009-0192

        [3] CVE-2009-2456
            http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2009-2456

        [4] CVE-2009-2457
            http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2009-2457

        [5] Novell eDirectory
            http://www.novell.com/products/edirectory/

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.

If you believe that your computer system has been compromised or attacked in 
any way, we encourage you to let us know by completing the secure National IT 
Incident Reporting Form at:

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

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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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