CVE-2018-5175

Source
Severity Medium
Remote Yes
Type Access restriction bypass
Description
A mechanism to bypass Content Security Policy (CSP) protections on sites that have a script-src policy of 'strict-dynamic' has been found in Firefox < 60.0. 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.
Group Package Affected Fixed Severity Status Ticket
AVG-693 firefox 59.0.2-3 60.0-1 Critical Fixed
Date Advisory Group Package Severity Description
13 May 2018 ASA-201805-10 AVG-693 firefox Critical multiple issues
References
https://www.mozilla.org/en-US/security/advisories/mfsa2018-11/#CVE-2018-5175
https://bugzilla.mozilla.org/show_bug.cgi?id=1432358