Apple give 75 lakh to 27 year old Indian developer for find a bug in apple. Apple never find that bug in their products.
This bug may have resulted in a very full account takeover of user accounts thereon third party application regardless of a victim having a legitimate Apple ID.

Bhavuk Jain was an associate degree Indian developer it absolutely was associate degree Indian security man of science. Apple offers seventy-five lakh to twenty-seven-year recent Indian developer.
He discovered Now-patched zero day vulnerability within the check in authentication in apple account’s.
this permits hacker’s to hack apple users account’s UN agency log in third party apps like :- Spotify, Giphy and Dropbox.
Bhavika has a bachelor’s degree in physics and communication discovered Zero-Day bug in check in with Apple that’s affected third-party applications that were victimization it and therefore the applications failed.

“For this vulnerability, he was paid $100,000 by Apple beneath their Apple Security Bounty programme,” he proclaimed.
Launched in 2019, ‘Sign in with Apple’ is aimed to be a additional privacy-focused various to third-party logins.
Jain disclosed the flaw to Apple that semiconductor diode to a bequest from Apple’s bug bounty programme.
According to Jain, the ‘Sign in with Apple’ works equally to ‘OAuth a pair of.0’. “There are 2 potential ways to manifest a user by either employing a JwT (JSON net Token) or a code generated by the Apple server.
The code is then accustomed to generate a JWT,” he explained. In the second step, whereas authorizing, Apple provides associate degree choice to a user to either share the Apple Email ID with the third-party app.

If the user decides to cover the e-mail ID, Apple generates its own user-specific Apple relay Email ID.“Depending upon the user choice, once victorious authorization, Apple creates a JWT that contains this email ID that is then utilized by the third-party app to log in a user,”
He found that he may request JWTs for any email ID from Apple and once the signature of those tokens was verified victimization Apple’s public key, they showed as valid. “This means that associate degree wrongdoer may forge a JWT by linking any Email ID thereto and gaining access to the victim’s account,” Jain noted.
The impact of this vulnerability was quite crucial because it may have allowed full account takeover.
A lot of developers have integrated check in with Apple since it’s obligatory for applications that support different social logins.
Before repair the bug, Apple did associate degree investigation of their logs and determined there was no misuse or account compromise because of this vulnerability.