Facebook bypass of the cache servers ,Check who visits your profile !
Mar 19, 2011
Facebook bypass of the cache servers , Check who visits your profile ! Summary Let me explain a security flaw in Facebook in relation to their cache servers, which form a layer between the Internet and internal multimedia content (photos and videos uploaded). This ruling, allows access to raw browser requests of our friends, allowing private information of these people ( web-bug ), or use as a bridge to take advantage of other external vulnerability ( CSRF ). Facebook and intermediate layer Many times you have seen this "use this application and find out who visits your profile, right?, Well, this will always be a fake, because Facebook is designed in a way that makes it impossible. If you look, when you go up a photo like the profile, it is resized, compressed, and stored on Facebook's own server. Actually, there are hundreds of servers, which form what is called a CDN . An example of profile photo: https://profile...