Firefox for Android address bar spoofing in Mozilla Firefox - CVE-2017-7817

 

Firefox for Android address bar spoofing in Mozilla Firefox - CVE-2017-7817

Published: September 28, 2017 / Updated: September 29, 2017


Vulnerability identifier: #VU8620
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2017-7817
CWE-ID: CWE-451
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Mozilla
Affected software:
Mozilla Firefox

Detailed vulnerability description

The vulnerability allows a remote attacker to perform spoofing attack.

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.

How to mitigate CVE-2017-7817

Update to version 56.0.

Sources