Security service that protects from SQLi had critical SQLi vulnerability

• SQLMap

  40 30,495 8.7 Python

  Automatic SQL injection and database takeover tool

  

Yes, that's one way to extract data by (ab)using a blind sql injection vulnerability.

If you look at sqlmap [1], they offer two techniques for blind sql injection: boolean-based and time-based. Boolean-based should be used when the app just returns an error page (or not) based on your sql injection. The time-based approach should be used when no error page appears but the SQL is still executed.

But when I look at sqlmap docs for the time-based approach [2] I think I got the initial explanation wrong. It will do a 5 second delay if a certain condition is met, e.g. "Is the first character of the value an 'T'? If yes, wait 5 seconds; if not, return immediately". And then send hundreds of requests in parallel to iterate over all positions & possible characters.

[1] https://github.com/sqlmapproject/sqlmap/wiki/Usage#sql-injec...

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