Permissions, Privileges, and Access Controls in Firefox for Android - CVE-2021-29993

 

Permissions, Privileges, and Access Controls in Firefox for Android - CVE-2021-29993

Published: September 7, 2021


Vulnerability identifier: #VU56371
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-29993
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Mozilla
Affected software:
Firefox for Android

Detailed vulnerability description

The vulnerability allows a remote attacker to perform denial of service or spoofing attack.

The vulnerability exists due to Firefox allows navigation through the intent:// protocol. A remote attacker can trick the victim to follow a specially crafted link and perform a denial of service attack or spoof the UI.


How to mitigate CVE-2021-29993

Install updates from vendor's website.

Sources