ADF and SQL-Injection?

Question

Hi
As I understand there is no any protection!!! Do view parameters work as parameters in JDBC prepared statement? I looked at examples and it looks they are just replaced with string as parameter value to make new string !!!
Andrius

Answer 1

Andrius,
to my knowledge only prepared statements provide you some level of safety and even herte I would recommend caution. The recommended approach for SQL Injection is to filter it either in a Servlet filter (which may be hard to do, but there is a library called mod_security by Ian Ristic that is open source and can be configured for additional security). In addition you can add custom code to the BC code that sets the parameters for the parameterized query to check for SQL injection. This can be done with Regular Expressions:
As an example:
Pattern p = Pattern.compile("(?i)\\bcreate|insert|delete|drop|update\\b");
Matcher m = p.matcher(username);
if (m.find())
// reject the request
Note that the example doesn't check for all possible patterns
Depending on your front end, additional checks can be provided. If e.g. in teh future you build applications with JSF, you could create a RegEx Validator to filter SQL injections.
Oracle ADF V2 comes with a declarative validator on the data binding level that support Regular Expressions defined on the attribute level. This I think should provide you the level of security you will expect.
Frank