Vulnerability identifier: #VU50027
Vulnerability risk: Medium
CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-264
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Firefox for Android
Mobile applications /
Apps for mobile phones
Vendor: Mozilla
Description
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to the way application handles navigations through the Android-specific intent
URL scheme. A remote attacker can escape the iframe sandbox.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Firefox for Android: 80.1.2 - 84.1.3
External links
http://www.mozilla.org/en-US/security/advisories/mfsa2021-03/
http://bugzilla.mozilla.org/show_bug.cgi?id=1584582
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.