> If you're going to ask people to do significant revision of their
> apps to gain security, they're going to want it to work no matter
> what database they run their apps against. This is why you need
> a client-side solution such as tainting.
Or if people are going to re-write their applications anyway, we'd want at
least a theoretically robust and flexible approach like libdejector, which
lets you identify which parts of a query structure are modifiable and
which are not.
For example, some applications need to replace whole phrases:
$criteria = "WHERE $var1 = '$var2'"
This is a very common approach for dynamic search screens, and really not
covered by placeholder approaches.
--
--Josh
Josh Berkus
PostgreSQL @ Sun
San Francisco
