{"uuid": "540db191-a2b1-47a3-9610-4194587408b0", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2014-6271", "type": "seen", "source": "https://github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/server/dhclient_bash_env.rb", "content": "{\"actions\": [{\"description\": \"Run malicious DHCP server\", \"name\": \"Service\"}], \"aliases\": [], \"arch\": \"\", \"author\": [\"scriptjunkie\", \"apconole \", \"Stephane Chazelas\", \"Ramon de C Valle \"], \"autofilter_ports\": [], \"autofilter_services\": [], \"check\": false, \"default_credential\": false, \"description\": \"This module exploits the Shellshock vulnerability, a flaw in how the Bash shell\\n        handles external environment variables. This module targets dhclient by responding\\n        to DHCP requests with a malicious hostname, domainname, and URL which are then\\n        passed to the configuration scripts as environment variables, resulting in code\\n        execution.\", \"disclosure_date\": \"2014-09-24\", \"fullname\": \"auxiliary/server/dhclient_bash_env\", \"is_install_path\": true, \"mod_time\": \"2026-06-17 11:11:50 +0000\", \"name\": \"DHCP Client Bash Environment Variable Code Injection (Shellshock)\", \"needs_cleanup\": false, \"notes\": {\"AKA\": [\"Shellshock\"]}, \"path\": \"/modules/auxiliary/server/dhclient_bash_env.rb\", \"platform\": \"\", \"post_auth\": false, \"rank\": 300, \"ref_name\": \"server/dhclient_bash_env\", \"references\": [\"CVE-2014-6271\", \"CWE-94\", \"OSVDB-112004\", \"EDB-34765\", \"URL-https://securityblog.redhat.com/2014/09/24/bash-specially-crafted-environment-variables-code-injection-attack/\", \"URL-https://seclists.org/oss-sec/2014/q3/649\", \"URL-https://www.trustedsec.com/september-2014/shellshock-dhcp-rce-proof-concept/\"], \"rport\": null, \"session_types\": false, \"targets\": null, \"type\": \"auxiliary\"}", "creation_timestamp": "2026-09-08T06:48:12.813337Z"}