Cyber Risks · PortSwigger Research

Testing for privilege escalation - Port Swigger

Summary: PortSwigger's guide describes testing an application's access controls by holding credentials for both a high-privileged and a low-privileged account and comparing what each can reach. It covers a quick manual check in Burp Repeater using the low-privileged user's session cookie, and an automated approach that adds that cookie to all requests via a session handling rule to re-request the entire site map as the low-privileged user.

Key Takeaway: The failure mode described is simple: incorrectly set access controls let a low-privileged user reach functionality reserved for higher-privileged users, and the guide notes that testing this across a large number of endpoints is time-consuming - which is where coverage quietly gets skipped.

Read the original at PortSwigger Research ↗

Topics
Vulnerabilities & Patching
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