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Ubuntu: (Multiple Advisories) (CVE-2018-5135): Firefox regression

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Ubuntu: (Multiple Advisories) (CVE-2018-5135): Firefox regression

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:P/A:N)
Published
03/14/2018
Created
07/25/2018
Added
04/26/2018
Modified
03/02/2020

Description

WebExtensions can bypass normal restrictions in some circumstances and use "browser.tabs.executeScript" to inject scripts into contexts where this should not be allowed, such as pages from other WebExtensions or unprivileged "about:" pages. This vulnerability affects Firefox < 59.

Solution(s)

  • ubuntu-upgrade-firefox

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