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Ubuntu: (Multiple Advisories) (CVE-2018-5175): Firefox regression

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Ubuntu: (Multiple Advisories) (CVE-2018-5175): Firefox regression

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
Published
05/09/2018
Created
07/25/2018
Added
05/22/2018
Modified
03/02/2020

Description

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.

Solution(s)

  • ubuntu-upgrade-firefox

References

  • USN-3645-1
  • USN-3645-2
  • CVE-2018-5175

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