The article outlines the severity of seemingly small security vulnerabilities when exploited by advanced attackers. Highlighting five real vulnerabilities, the discussion emphasizes the need for robust security measures. For example, an SSRF vulnerability in a home-moving app allowed an attacker to retrieve AWS credentials through a redirect, showcasing a significant security lapse. Another vulnerability found in an exposed .git repository led to database access due to authentication bypass and SQL injection flaws. These incidents underline the need for both automated and manual security assessments to uncover and address potential threats effectively.
Not every security vulnerability is high risk on its own - but in the hands of an advanced attacker, even small weaknesses can escalate into major breaches.
While assessing a home-moving app running in AWS, our team tested common SSRF bypass techniques.
This attack would not have been possible if the metadata service was enforcing IMDSv2 - a best practice that a good cloud security scanner would have flagged.
Reviewing the application's source code, we uncovered an authentication bypass - the login page could be accessed by supplying a hidden parameter.
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