CVE-2017-7817: Input Validation
First published: Thu Sep 28 2017(Updated: )
A spoofing vulnerability can occur when a page switches to fullscreen mode without user notification, allowing a fake address bar to be displayed. This allows an attacker to spoof which page is actually loaded and in use. Note: This attack only affects Firefox for Android. Other operating systems are not affected.
Credit: security@mozilla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mozilla Firefox | <56 | 56 |
| <56 | 56 | |
| Mozilla Firefox | <=55.0.3 | |
| Google Android |
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Reference Links
- https://bugzilla.mozilla.org/show_bug.cgi?id=1356596
- https://www.mozilla.org/en-US/security/advisories/mfsa2017-21/
- https://www.mozilla.org/en-US/security/advisories/mfsa2017-21/#CVE-2017-7822
- http://www.securityfocus.com/bid/101057
- http://www.securitytracker.com/id/1039465
- https://www.mozilla.org/security/advisories/mfsa2017-21/
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is CVE-2017-7817?
CVE-2017-7817 is a spoofing vulnerability that allows a fake address bar to be displayed when a page switches to fullscreen mode without user notification.
Which operating systems are affected by CVE-2017-7817?
This vulnerability only affects Firefox for Android.
What is the severity level of CVE-2017-7817?
CVE-2017-7817 has a severity level of 5.3 out of 10, which is considered high.
How can I fix CVE-2017-7817?
To fix CVE-2017-7817, update Firefox for Android to version 56 or later.
Where can I find more information about CVE-2017-7817?
You can find more information about CVE-2017-7817 in the references section of the vulnerability description.
- agent/type
- agent/last-modified-date
- agent/first-publish-date
- collector/nvd-index
- agent/software-canonical-lookup-request
- agent/softwarecombine
- agent/severity
- agent/author
- agent/references
- agent/weakness
- agent/tags
- agent/event
- collector/mozilla-advisory
- source/Mozilla
- agent/software-canonical-lookup
- agent/description
- collector/mitre-cve
- source/MITRE
- vendor/mozilla
- canonical/mozilla firefox
- version/mozilla firefox/55.0.3
- vendor/google
- canonical/google android