CVE-2017-7815

firefox: On pages containing an iframe, the "data:" protocol can be used to create a modal dialog through Javascript that will...

CVE-2017-7815 is fixed in 4 products on 1 platform, first by firefox 56.0+build6-0ubuntu1, released October 1, 2017. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
n/a
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0114
66th percentile

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.

Where it's fixed

ProductFixed inFixReleased
Linux
firefox · Ubuntu 18.04.6 LTS (bionic) 56.0+build6-0ubuntu1 firefox 56.0+build6-0ubuntu1 Oct 1, 2017
firefox-globalmenu · Ubuntu 18.04.6 LTS (bionic) 56.0+build6-0ubuntu1 firefox-globalmenu 56.0+build6-0ubuntu1 Oct 1, 2017
firefox-mozsymbols · Ubuntu 18.04.6 LTS (bionic) 56.0+build6-0ubuntu1 firefox-mozsymbols 56.0+build6-0ubuntu1 Oct 1, 2017
firefox-testsuite · Ubuntu 18.04.6 LTS (bionic) 56.0+build6-0ubuntu1 firefox-testsuite 56.0+build6-0ubuntu1 Oct 1, 2017