{ "CVE_data_meta": { "ASSIGNER": "security@mozilla.org", "ID": "CVE-2018-5175", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "Firefox", "version": { "version_data": [ { "version_affected": "<", "version_value": "60" } ] } } ] }, "vendor_name": "Mozilla" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "A mechanism to bypass Content Security Policy (CSP) protections on sites that have a \"script-src\" policy of \"'strict-dynamic'\". If a target website contains an HTML injection flaw an attacker could inject a reference to a copy of the \"require.js\" library that is part of Firefox's Developer Tools, and then use a known technique using that library to bypass the CSP restrictions on executing injected scripts. This vulnerability affects Firefox < 60." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "Universal CSP bypass on sites using strict-dynamic in their policies" } ] } ] }, "references": { "reference_data": [ { "name": "https://www.mozilla.org/security/advisories/mfsa2018-11/", "refsource": "CONFIRM", "url": "https://www.mozilla.org/security/advisories/mfsa2018-11/" }, { "name": "1040896", "refsource": "SECTRACK", "url": "http://www.securitytracker.com/id/1040896" }, { "name": "https://bugzilla.mozilla.org/show_bug.cgi?id=1432358", "refsource": "CONFIRM", "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1432358" }, { "name": "USN-3645-1", "refsource": "UBUNTU", "url": "https://usn.ubuntu.com/3645-1/" }, { "name": "104139", "refsource": "BID", "url": "http://www.securityfocus.com/bid/104139" } ] } }