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PHP Grade Book 1.9.4 SQL Database Export

PHP Grade Book 1.9.4 SQL Database Export
Posted Mar 23, 2012
Authored by Mark Stanislav

PHP Grade Book version 1.9.4 suffers from an unauthenticated SQL database export vulnerability.

tags | exploit, php, sql injection
advisories | CVE-2012-1670
MD5 | f9f66b480deb9d5ff7295d77e771a506

PHP Grade Book 1.9.4 SQL Database Export

Change Mirror Download
'PHP Grade Book' Unauthenticated SQL Database Export (CVE-2012-1670)
Mark Stanislav - mark.stanislav@gmail.com


I. DESCRIPTION
---------------------------------------
A vulnerability exists in admin/index.php that allows for an unauthenticated user to export the entire application database by accessing the 'Database Backup' method without restriction. Due to the way sessions are handled, an attacker can then simply pass the username and password-hash via cookies to assume the administrative role without ever knowing the clear-text version of the password.


II. TESTED VERSION
---------------------------------------
1.9.4


III. PoC EXPLOIT
---------------------------------------
http://localhost/phpGradeBook/admin/index.php?action=SaveSQL


IV. SOLUTION
---------------------------------------
Upgrade to 1.9.5 or above.


V. REFERENCES
---------------------------------------
http://sourceforge.net/projects/php-gradebook/
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-1670


VI. TIMELINE
---------------------------------------
02/29/2012 - Initial vendor disclosure
02/29/2012 - Vendor response and commitment to fix
03/01/2012 - Vendor patched and released an updated version
03/22/2012 - Public disclosure

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