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                         AUSCERT Security Bulletin

                              ASB-2009.1089.2
                            PHP 5.2.11 Released
                             23 September 2009

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

Product:              PHP 5.2.x prior to 5.2.11
Operating System:     Windows
                      UNIX variants (UNIX, Linux, OSX)
Impact/Access:        Denial of Service -- Remote/Unauthenticated
                      Reduced Security  -- Remote/Unauthenticated
Resolution:           Patch/Upgrade
CVE Names:            CVE-2009-3294 CVE-2009-3293 CVE-2009-3292
                      CVE-2009-3291  
Member content until: Wednesday, October 21 2009

Revision History:     September 23 2009: Added CVE References
                      September 21 2009: Initial Release

OVERVIEW

        PHP 5.2.11 has been released correcting several security 
        vulnerabilities.


IMPACT

        The vendor has provided the following information regarding these
        vulnerabilities:
        
            * "Fixed certificate validation inside 
              php_openssl_apply_verification_policy." [1]
            * "Fixed sanity check for the color index in 
              imagecolortransparent()." [1]
            * "Added missing sanity checks around exif processing." [1]
            * "Fixed bug #44683 (popen crashes when an invalid mode is 
              passed)." [1]


MITIGATION

        PHP v5.2x users can download the latest version from the vendor's
        website. [2]


REFERENCES

        [1] PHP 5.2.11 Release Announcement
            http://www.php.net/releases/5_2_11.php

        [2] PHP 5.2.11
            http://www.php.net/downloads.php

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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