CVE-2017-7815

Published: 02 October 2017

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.

Priority

Medium

CVSS 3 base score: 5.3

Status

Package Release Status
firefox
Launchpad, Ubuntu, Debian
Upstream
Released (56.0)
Ubuntu 18.04 LTS (Bionic Beaver)
Released (56.0+build6-0ubuntu1)
Ubuntu 16.04 ESM (Xenial Xerus)
Released (56.0+build6-0ubuntu0.16.04.1)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was released [56.0+build6-0ubuntu0.14.04.1])