Permissions, Privileges, and Access Controls in Mozilla Firefox - CVE-2019-9817
Published: May 21, 2019
Vulnerability identifier: #VU18551
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-9817
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Mozilla Firefox
Mozilla Firefox
Software vendor:
Mozilla
Mozilla
Description
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to incorrect access restrictions when reading images from a different domain. A remote attacker can use a canvas object under certain circumstances to violate same-origin policy and read image data from another domain name.
Remediation
Install updates from vendor's website.