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Ubuntu: (Multiple Advisories) (CVE-2018-12397): Firefox regressions

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Ubuntu: (Multiple Advisories) (CVE-2018-12397): Firefox regressions

Severity
4
CVSS
(AV:L/AC:L/Au:N/C:P/I:P/A:N)
Published
10/23/2018
Created
03/19/2019
Added
11/07/2018
Modified
01/20/2021

Description

A WebExtension can request access to local files without the warning prompt stating that the extension will "Access your data for all websites" being displayed to the user. This allows extensions to run content scripts in local pages without permission warnings when a local file is opened. This vulnerability affects Firefox ESR < 60.3 and Firefox < 63.

Solution(s)

  • ubuntu-upgrade-firefox

References

  • USN-3801-1
  • USN-3801-2
  • DSA-4324
  • CVE-2018-12397

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