Resource management error in Mozilla Firefox - CVE-2019-9808

 

Resource management error in Mozilla Firefox - CVE-2019-9808

Published: March 21, 2019


Vulnerability identifier: #VU18047
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-9808
CWE-ID: CWE-399
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 a phishing attack.

The vulnerability exists due to incorrect handling of WebRTC permissions requests for documents with data: or blob: URLs, resulting in "Unknown origin"  notification. A remote attacker can abuse this behavior and trick the victim into granting permissions to a malicious website.


How to mitigate CVE-2019-9808

Install updates from vendor's website.

Sources