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Endian Firewall before version 3.0 contains a command injection vulnerability in the cgi-bin/chpasswd.cgi script. Remote attackers can execute arbitrary commands on the system by supplying shell metacharacters in the NEW_PASSWORD_1 or NEW_PASSWORD_2 parameters, which are not properly sanitized before being used in shell commands.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos (2 hidden).
This repository contains a single Metasploit module (modules/exploits/linux/http/efw_chpasswd_exec.rb) that exploits a command injection vulnerability (CVE-2015-5082) in the Endian Firewall (EFW) Community's web interface. The exploit targets the /cgi-bin/chpasswd.cgi CGI script, which is used to change passwords for proxy user accounts. By injecting commands into the NEW_PASSWORD_1 and NEW_PASSWORD_2 fields of a POST request, an attacker with valid proxy user credentials can execute arbitrary commands as the 'nobody' user. This user has broad sudo permissions, including the ability to run /usr/local/bin/chrootpasswd, which can change the system's root password. The module supports both x86 and x86_64 Linux targets and uses Metasploit's CmdStager to deliver payloads. The exploit is weaponized, allowing for remote code execution and potential privilege escalation to root. The module is well-documented, specifying affected versions, required options, and references to public advisories.
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