February 2019
Beginner to intermediate
366 pages
7h 49m
English
An Insecure Direct Object Reference (IDOR) vulnerability appears when a parameter gains access to a certain resource. By modifying this parameter, it is possible to access other resources that are not authorized for this user. Usually the affected parameters are used as control for the application's flow, for example, the named id, uid, r, url, ur, and so on.
These kinds of vulnerabilities could be detected using the Target tool in Burp Suite. Similar to the CSRF detection, the more URLs you detect, the more possibilities there are to find vulnerabilities:
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