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A  U  S  C  E  R  T                                           A  L  E  R  T

                       AL-2007.0027 -- AUSCERT ALERT
                             [Win][UNIX/Linux]
                Vulnerability in Snort DCE/RPC Preprocessor
                             20 February 2007

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        AusCERT Alert Summary
        ---------------------

Product:              Snort versions prior to 2.6.1.3
Operating System:     UNIX variants (UNIX, Linux, OSX)
                      Windows
Impact:               Execute Arbitrary Code/Commands
Access:               Remote/Unauthenticated
CVE Names:            CVE-2006-5276
Member content until: Tuesday, March 20 2007

Original Bulletin:    http://www.snort.org/docs/advisory-2007-02-19.html

OVERVIEW:
        
        Version 2.6.1.3 of Snort has been released, correcting a
        serious vulnerability. If exploited, this vulnerability may result 
        in the remote execution of arbitrary code.


IMPACT: 

        A vulnerability exists in the DCE/RPC preprocessor of Snort versions
        prior to 2.6.1.3. Exploition of this vulnerability may result in the 
        execution of arbitrary code with privileges equivilent to those of 
        the user running snort.


MITIGATION:

        Version 2.6.1.3 of Snort has been released [1], correcting this 
        problem.

        An alternative mitigation is to disable the DCE/RPC preprocessor.


REFERENCES:

        [1] Snort Downloads
            http://www.snort.org/dl/

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

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