Improper Input Validation Affecting firefox package, versions <56.0-1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published11 Jun 2018
- disclosed11 Jun 2018
Introduced: 11 Jun 2018
CVE-2017-7815 (opens in a new tab)How to fix?
Upgrade Debian:unstable firefox to version 56.0-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by Debian.
See How to fix? for Debian:unstable relevant fixed versions and status.
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.
References
- https://security-tracker.debian.org/tracker/CVE-2017-7815
- https://www.mozilla.org/security/advisories/mfsa2017-21/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1368981
- http://www.securityfocus.com/bid/101057
- http://www.securitytracker.com/id/1039465
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-7815