#VU68410 Cleartext storage of sensitive information in Mozilla Firefox and Firefox for Android


Published: 2022-10-18

Vulnerability identifier: #VU68410

Vulnerability risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-42931

CWE-ID: CWE-312

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Mozilla Firefox
Client/Desktop applications / Web browsers
Firefox for Android
Mobile applications / Apps for mobile phones

Vendor: Mozilla

Description

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists in Firefox uses Form Manager component to store login names in an unencrypted file on disk. A local user can read contents of the file and obtain login names to different websites.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 103.0 - 105.0.3

Firefox for Android: 103.1.0 - 105.2.0


External links
http://www.mozilla.org/en-US/security/advisories/mfsa2022-44/


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability