Facebook Paid Out $50K for Vulnerabilities Allowing Access to Internal Systems

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Cybersecurity engineer and bug bounty hunter Alaa Abdulridha revealed in December 2020 that he had earned $7,500 from Facebook for discovering a vulnerability in a service apparently used by the company’s legal department. The researcher said the security hole could have been exploited to reset the password of any account for a web application used internally by Facebook employees.

In a blog post published on Thursday, the researcher said he continued analyzing the same application and once again managed to gain access to it. From there he claimed he was able to launch a server-side request forgery (SSRF) attack and gain access to Facebook’s internal network. Facebook described this as an attacker being able to send HTTP requests to internal systems and read their responses.

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