GreenSQL Firewall (greensql-fw), possibly before 0.9.2 or 0.9.4, allows remote attackers to bypass the SQL injection protection mechanism via a WHERE clause containing an expression such as "x=y=z", which is successfully parsed by MySQL.Referenceshttp://sla.ckers.org/forum/read.php?16%2C24367http://www.greensql.net/securityhttp://bugs.mysql.com/bug.php?id=39337http://osvdb.org/48910http://www.greensql.net/node/89http://www.greensql.net/node/98
