#VU77003 Security features bypass in Mozilla Firefox - CVE-2023-34415
Published: June 6, 2023
Vulnerability identifier: #VU77003
Vulnerability risk: Medium
CVSSv4.0: 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:Green
CVE-ID: CVE-2023-34415
CWE-ID: CWE-254
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 bypass implemented security restrictions.
The vulnerability exists due to the way Firefox loads documents from a "data:" URL that was the result of a redirect. A remote attacker can trick the victim to open a specially crafted URL and bypass site-isolation protections against Spectre-like attacks.
Remediation
Install updates from vendor's website.