Search Postgresql Archives

Re: a stored procedure ..with integer as the parameter

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



In article <33c6269f0510241144s680be862pfdc0c59dcba06eee@xxxxxxxxxxxxxx>,
Alex Turner <armtuk@xxxxxxxxx> writes:

> 1.  ( ) text/plain          (*) text/html           
> As sort of a side discussion - I have postulated that quoting all incomming
> numbers as string would be an effective defense against SQL Injection style
> attacks, as magic quotes would destory any end-quote type syntax:
> in_value=1
> select * from table where my_id='$in_value';
> as an example for PHP - Postgres will silenty perform an atoi on the string to
> make it a number, but it would prevent:
> in_value=1; delete * from user;
> select * from table where my_id=$in_value
> Am I just smoking crack here, or does this approach have some merit?

The former :-)
The correct defense against SQL injection is proper escaping, not quoting.
How about $in_value = '1''; delete * from user'?


---------------------------(end of broadcast)---------------------------
TIP 5: don't forget to increase your free space map settings

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [Postgresql Jobs]     [Postgresql Admin]     [Postgresql Performance]     [Linux Clusters]     [PHP Home]     [PHP on Windows]     [Kernel Newbies]     [PHP Classes]     [PHP Books]     [PHP Databases]     [Postgresql & PHP]     [Yosemite]
  Powered by Linux