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Hastymail2 versions before 2.1.1 RC2 contain an OS command injection vulnerability in the mailbox Drafts action. The action passes attacker-controlled values from the rs or rsargs[] parameters to the default URI in a manner that permits remote execution of arbitrary commands.
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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/unix/webapp/hastymail_exec.rb) that exploits a command injection vulnerability (CVE-2011-4542) in Hastymail 2.1.1 RC1. The exploit targets the 'lib/ajax_functions.php' script, which insecurely uses call_user_func_array(), allowing an authenticated attacker to execute arbitrary system commands via crafted HTTP POST requests. The module requires valid Hastymail credentials and the base path to the web application (default: /hastymail2/). The payload is customizable and supports various command execution methods (perl, ruby, python, netcat, etc.), enabling actions such as reverse shells or arbitrary command execution. The exploit is operational and leverages the Metasploit framework's capabilities for payload delivery and session management. No hardcoded IPs or domains are present; the attacker specifies the target at runtime.
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