All #Apache Articles

Confusion Attacks: Exploiting Hidden Semantic Ambiguity in Apache HTTP Server!

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2024-08-09

This article explores architectural issues within the Apache HTTP Server, highlighting several technical debts within Httpd, including 3 types of Confusion Attacks, 9 new vulnerabilities, 20 exploitation techniques, and over 30 case studies. The content includes, but is not limited to: 1. How a single ? can bypass Httpd's built-in access control and authentication. 2. How unsafe RewriteRules can escape the Web Root and access the entire filesystem. 3. How to leverage a piece of code from 1996 to transform an XSS into RCE.