{"uuid": "ea777b01-0bcc-4c45-a424-7df170169100", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2020-6418", "type": "seen", "source": "https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/browser/chrome_jscreate_sideeffect.rb", "content": "{\"aliases\": [], \"arch\": \"x64\", \"author\": [\"Cl\\u00e9ment Lecigne\", \"Istv\\u00e1n Kurucsai\", \"Vignesh S Rao\", \"timwr\"], \"autofilter_ports\": [], \"autofilter_services\": [], \"check\": false, \"default_credential\": false, \"description\": \"This module exploits an issue in Google Chrome 80.0.3987.87 (64 bit). The exploit\\n          corrupts the length of a float array (float_rel), which can then be used for out\\n          of bounds read and write on adjacent memory.\\n          The relative read and write is then used to modify a UInt64Array (uint64_aarw)\\n          which is used for read and writing from absolute memory.\\n          The exploit then uses WebAssembly in order to allocate a region of RWX memory,\\n          which is then replaced with the payload shellcode.\\n          The payload is executed within the sandboxed renderer process, so the browser\\n          must be run with the --no-sandbox option for the payload to work correctly.\", \"disclosure_date\": \"2020-02-19\", \"fullname\": \"exploit/multi/browser/chrome_jscreate_sideeffect\", \"is_install_path\": true, \"mod_time\": \"2025-06-20 13:20:44 +0000\", \"name\": \"Google Chrome 80 JSCreate side-effect type confusion exploit\", \"needs_cleanup\": null, \"notes\": {\"Reliability\": [\"repeatable-session\"], \"SideEffects\": [\"ioc-in-logs\"], \"Stability\": [\"crash-safe\"]}, \"path\": \"/modules/exploits/multi/browser/chrome_jscreate_sideeffect.rb\", \"platform\": \"OSX,Windows\", \"post_auth\": false, \"rank\": 0, \"ref_name\": \"multi/browser/chrome_jscreate_sideeffect\", \"references\": [\"CVE-2020-6418\", \"URL-https://bugs.chromium.org/p/chromium/issues/detail?id=1053604\", \"URL-https://blog.exodusintel.com/2020/02/24/a-eulogy-for-patch-gapping\", \"URL-https://ray-cp.github.io/archivers/browser-pwn-cve-2020-6418%E6%BC%8F%E6%B4%9E%E5%88%86%E6%9E%90\"], \"rport\": null, \"session_types\": false, \"targets\": [\"Windows 10 - Google Chrome 80.0.3987.87 (64 bit)\", \"macOS - Google Chrome 80.0.3987.87 (64 bit)\"], \"type\": \"exploit\"}", "creation_timestamp": "2026-09-08T06:49:35.106827Z"}