Stefan Esser has reported a vulnerability in ClanSphere, which can be exploited by malicious people to conduct SQL injection attacks.
Input passed via certain HTTP headers to ClanSphere's captcha generator is not properly sanitised before being used in SQL queries. This can be exploited to manipulate SQL queries by injecting arbitrary SQL code.
Note: An error also exists within the "cs_sql_select()" function in system/database/mysql.php.
The vulnerability is reported in version 2009.0.3 and prior.
Original Advisory: http://php-security.org/2010/05/03/mops-2010-004-clansphere-captcha-generator-blind-sql-injection-vulnerability/index.html
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