Vulnerability identifier: #VU85809
Vulnerability risk: High
CVSSv3.1: 8.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-254
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Focus for iOS
Client/Desktop applications /
Web browsers
Vendor: Mozilla
Description
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to a race condition in javascript: URI with a setTimeout running on top origin sites. A remote attacker can execute arbitrary scripts on top origin sites in urlbar and compromise any loaded page.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Focus for iOS: 2.0 - 121.0
External links
http://bugzilla.mozilla.org/show_bug.cgi?id=1855575
http://www.mozilla.org/security/advisories/mfsa2024-03/
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.