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MFSA2017-21 Firefox: Security vulnerabilities fixed in Firefox 56 (CVE-2017-7815)

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MFSA2017-21 Firefox: Security vulnerabilities fixed in Firefox 56 (CVE-2017-7815)

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:P/A:N)
Published
06/11/2018
Created
07/25/2018
Added
07/12/2018
Modified
07/12/2018

Description

On pages containing an iframe, the "data:" protocol can be used to create a modal dialog through Javascript that will have an arbitrary domains as the dialog's location, spoofing of the origin of the modal dialog from the user view. Note: This attack only affects installations with e10 multiprocess turned off. Installations with e10s turned on do not support the modal dialog functionality. This vulnerability affects Firefox < 56.

Solution(s)

  • mozilla-firefox-upgrade-56_0

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