Permissions, Privileges, and Access Controls in Mozilla Firefox - CVE-2019-11762
Published: October 23, 2019
Vulnerability identifier: #VU22167
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-11762
CWE-ID: CWE-264
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 sensitive information.
The vulnerability exists due to the way Firefox processes two same-origin documents that set document.domain differently to become cross-origin. A remote attacker can create a specially crafted web page, trick the victim into visiting it and gain access to potentially sensitive information, as it is possible to call arbitrary DOM methods/getters/setters on the now-cross-origin window.
How to mitigate CVE-2019-11762
Install updates from vendor's website.