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CVE-2012-6554 is a vulnerability in the Chat module for activeCollab prior to version 1.5.2. The flaw exists in functions/html_to_text.php, where the message[message_text] parameter is not properly sanitized before being passed to the preg_replace function with the 'e' (eval) modifier. This allows remote authenticated users to inject and execute arbitrary PHP code on the server by crafting a malicious message_text value.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos.
This repository contains a single Metasploit module (modules/exploits/multi/http/activecollab_chat.rb) that exploits a remote PHP code injection vulnerability (CVE-2012-6554) in the chat module of Active Collab versions 2.3.8 and earlier. The exploit abuses a flaw in the use of preg_replace() with the /e modifier in the file html_to_text.php, allowing an authenticated attacker to inject and execute arbitrary PHP code on the server. The module requires valid user credentials and interacts with several HTTP endpoints of the target application to authenticate, inject the payload, and trigger its execution. The payload is a base64-encoded PHP Metasploit payload delivered via a custom HTTP header. The exploit is weaponized, as it is part of the Metasploit framework and supports customizable payloads. The repository is structured as a single Ruby file implementing the exploit logic, with clear references to the affected endpoints and vulnerable code in the target application.
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