Information disclosure in Mozilla Firefox - CVE-2019-11749
Published: September 3, 2019
Vulnerability identifier: #VU20828
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-11749
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Mozilla
Affected software:
Mozilla Firefox
Mozilla Firefox
Detailed vulnerability description
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to an error in WebRTC that allows malicious web content use probing techniques on the getUserMedia API with constraints to reveal device properties of cameras on the system without triggering a user prompt or notification. A remote attacker can use such behavior to fingerprint users.
How to mitigate CVE-2019-11749
Install updates from vendor's website.