A Different Kind of POP: The Joomla Unserialize Vulnerability
Dec 17, 2015Pasha Kravtsov

Summary
This post details the analysis of a specific Joomla unserialize vulnerability (CVE-2015-8562), explaining the POP chain exploit mechanism and the vulnerable code paths in Joomla's session handling. It highlights how Cloudflare's Web Application Firewall (WAF) automatically protected users by creating and deploying a specific rule set, demonstrating the effectiveness of the WAF in blocking exploit attempts in the wild.
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