#VU65797 Input validation error in Firefox for Android


Published: 2022-07-26

Vulnerability identifier: #VU65797

Vulnerability risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-36317

CWE-ID: CWE-20

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 perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of URLs. A remote attacker can trick the victim to click on a very long link and hang the browser. Due to session restore, this could lead to a permanent Denial of Service.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Firefox for Android: 100.1.0 - 102.2.1


External links
http://www.mozilla.org/en-US/security/advisories/mfsa2022-28/


Q & A

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.


Latest bulletins with this vulnerability