{"id":"CVE-2018-3728","details":"hoek node module before 4.2.0 and 5.0.x before 5.0.3 suffers from a Modification of Assumed-Immutable Data (MAID) vulnerability via 'merge' and 'applyToDefaults' functions, which allows a malicious user to modify the prototype of \"Object\" via __proto__, causing the addition or modification of an existing property that will exist on all objects.","aliases":["GHSA-jp4x-w63m-7wgm"],"modified":"2026-03-20T11:25:10.573392Z","published":"2018-03-30T19:29:00.210Z","references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2018:1264"},{"type":"ADVISORY","url":"https://nodesecurity.io/advisories/566"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/103108"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2018:1263"},{"type":"FIX","url":"https://github.com/hapijs/hoek/commit/32ed5c9413321fbc37da5ca81a7cbab693786dee"},{"type":"FIX","url":"https://snyk.io/vuln/npm:hoek:20180212"},{"type":"EVIDENCE","url":"https://hackerone.com/reports/310439"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/hapijs/hoek","events":[{"introduced":"0"},{"fixed":"1db691bc84ae059321146b83e03889adf36c8ef4"},{"introduced":"5f7e4dea1fec7cb58bf3eaa73ff4fc04bdb8e62d"},{"fixed":"bb5bc22b4040e162cbfa62ec68ae82a0fc83ff32"},{"fixed":"32ed5c9413321fbc37da5ca81a7cbab693786dee"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"4.2.0"},{"introduced":"5.0.0"},{"fixed":"5.0.3"}]}}],"versions":["v5.0.0"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-3728.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}