Web Applications, Web Services, Oracle, MySQL, Linux, SAP R3 are my focus technologies, while my activities are widely spreaded: manual penetration tests, static code analysis, code reviews, consulting, project management
- Hooking Burp Suite in Client Software Communication - 6. July 2017
- PHP: Exploitation with $_REQUEST while validating $_GET - 20. May 2016
- HTTP Side-Channel Attacks with Burp Suite - 25. April 2016
Ever wanted a simple tool capable of performing a side-channel attack of HTTP requests? A common use case would be to test of the login action takes more time of the provided username is known by the system compared to an unknown username. The theory behind such an attack is that the code performing the login stops more early in the flow if the used username is not present in the system.
Well, to test such a weakness it is necessary to perform certain HTTP requests, e.g. logins, and to capture the need time to receive a response. But what tools are fulfilling these requirements? The search can’t be this hard. In fact the most common Continue reading “HTTP Side-Channel Attacks with Burp Suite”