Address bar spoofing in Mozilla Firefox - CVE-2017-5463

 

Address bar spoofing in Mozilla Firefox - CVE-2017-5463

Published: April 19, 2017


Vulnerability identifier: #VU6340
CSH Severity: Low
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:Clear
CVE-ID: CVE-2017-5463
CWE-ID: CWE-20
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 spoof browser address bar.

The vulnerability exists due to an error when processing reader view. Android intents can be used to launch Firefox for Android in reader mode with a user specified URL. This allows an attacker to spoof the contents of the addressbar as displayed to users.

This vulnerability affects only Firefox for Android.


How to mitigate CVE-2017-5463

Update to Firefox 53.

Sources