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Ubuntu: (Multiple Advisories) (CVE-2018-5116): Firefox regressions

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Ubuntu: (Multiple Advisories) (CVE-2018-5116): Firefox regressions

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
01/24/2018
Created
07/25/2018
Added
04/26/2018
Modified
03/02/2020

Description

WebExtensions with the "ActiveTab" permission are able to access frames hosted within the active tab even if the frames are cross-origin. Malicious extensions can inject frames from arbitrary origins into the loaded page and then interact with them, bypassing same-origin user expectations with this permission. This vulnerability affects Firefox < 58.

Solution(s)

  • ubuntu-upgrade-firefox

References

  • USN-3544-1
  • USN-3544-2
  • 102786
  • 1040270
  • CVE-2018-5116

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