Hacking DropBox account, Vulnerability allows hacker to bypass Two-Factor Authentication
Jul 05, 2013
Q-CERT team found a critical vulnerability that allows the attacker to bypass the two-factor authentication in the most popular file sharing service ' DropBox '. Two Factor Authentication is an extra layer of security that is known as " multi factor authentication " that requires not only a password and username but also a unique code that only user can get via SMS or Call. Zouheir Abdallah demonstrated , if an attacker already knows the username and password of the victim's Dropbox account, which is protected by two-factor authentication, it is still possible to hack that Dropbox account using following explained technique. DropBox does not verify the authenticity of the email addresses used to Sign up a new account, so to exploit this flaw hacker just need to create a new fake account similar to the target's account and append a dot (.) anywhere in the email address. In Next step, enable 2-factor authentication for the fake account, and save the emerg