Insufficient UI warning of dangerous operations in Mozilla Firefox and Firefox ESR - CVE-2024-3863

 

Insufficient UI warning of dangerous operations in Mozilla Firefox and Firefox ESR - CVE-2024-3863

Published: April 17, 2024


Vulnerability identifier: #VU88636
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2024-3863
CWE-ID: CWE-357
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Mozilla
Affected software:
Mozilla Firefox
Firefox ESR

Detailed vulnerability description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to a missing warning when downloading .xrm-ms files. A remote attacker can trick the victim to download and execute arbitrary code on the system.

Note, the vulnerability affects Windows installations only.


How to mitigate CVE-2024-3863

Install updates from vendor's website.

Sources