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AA-2009.0153                  AUSCERT Advisory

                               [UNIX/Linux]
                      Nagios: Execute Arbitrary Code
                                3 July 2009
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        AusCERT Advisory Summary
        ------------------------

Product:              Nagios before 3.1.1
Operating System:     UNIX variants (UNIX, Linux, OSX)
Impact:               Execute Arbitrary Code/Commands
Access:               Remote/Unauthenticated
CVE Names:            CVE-2009-2288
Member content until: Thursday, July 23 2009

Revision History:     July 3 2009: Added CVE Reference
                      June 25 2009: Initial Release

OVERVIEW:

       A vulnerability has been identified in Nagios prior to 3.1.1.


IMPACT:

       It is possible for an attacker to inject arbitrary shell code
       by exploiting an input validation error in statuswml.cgi. [1, 2]


MITIGATION:

       The vendor recommends upgrading to Nagios version 3.1.1.


REFERENCES:

       [1] Nagios 3 Version History
           http://www.nagios.org/development/history/core-3x/

       [2] Nagios "statuswml.cgi" Remote Command Injection Vulnerability
           http://www.vupen.com/english/advisories/2009/1655

       [3] Download
           http://www.nagios.org/download

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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