Session Cookie Vulnerability in CodeIgniter Affects PHP Users

CVE-2014-8686

What is CVE-2014-8686?

The vulnerability in CodeIgniter allows attackers to exploit weak session cookie encoding, potentially compromising user sessions. This occurs when the PHP Mcrypt extension is unavailable, leading the framework to fall back on a custom XOR-based encryption scheme, which is easier to decode. Users of CodeIgniter versions prior to 2.2.0 should update to ensure their applications are secure against this risk.

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Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

Metasploit exploit module for CVE-2014-8686
Created by Rapid7

References