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AA-2009.0103                  AUSCERT Advisory

                             [Win][UNIX/Linux]
                      Apache: Access Privileged Data
                               27 April 2009
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        AusCERT Advisory Summary
        ------------------------

Product:              Apache 2.2.11
Operating System:     UNIX variants (UNIX, Linux, OSX)
                      Windows
Impact:               Access Privileged Data
Access:               Remote/Unauthenticated
CVE Names:            CVE-2009-1191
Member content until: Monday, May 25 2009

OVERVIEW:

       A vulnerability has been identified in Apache 2.2.11.      


IMPACT:

       This vulnerability is "... caused by the improper handling of malformed
       POST requests by mod_proxy_ajp." A remote attacker could potentially
       obtain sensitive information through a specially crafted HTTP 
       request. [1]


MITIGATION:

       The vendor has released a temporary patch to correct this vulnerability, 
       which is available from the Apache Web site at:
       
       http://www.apache.org/dist/httpd/patches/apply_to_2.2.11/PR46949.diff


REFERENCES:

       [1] ISS X-Force Database: 
           apache-modproxyajp-information-disclosure(50059)
           http://xforce.iss.net/xforce/xfdb/50059

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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