#VU78845 Origin validation error in Mozilla products - CVE-2023-4045
Published: August 1, 2023 / Updated: August 2, 2023
Vulnerability identifier: #VU78845
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-4045
CWE-ID: CWE-346
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Mozilla Firefox
Firefox ESR
Firefox for Android
Mozilla Firefox
Firefox ESR
Firefox for Android
Software vendor:
Mozilla
Mozilla
Description
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to improper tracking of cross-origin tainting in Offscreen Canvas. A remote attacker can violation the same-origin policy and access image data from another website.
Remediation
Install updates from vendor's website.