Vulnerability identifier: #VU69332

Vulnerability risk: Low

CVSSv3.1: 2.2 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-45417

CWE-ID: CWE-200

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 potentially sensitive information.

The vulnerability exists due to Service Workers do not detect Private Browsing Mode correctly in all cases, resulting in data being written to disk for websites visited in Private Browsing Mode. A local user can gain access to potentially sensitive information.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 103.0 - 106.0.5

Firefox for Android: 103.1.0 - 106.1.0

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External links
http://www.mozilla.org/en-US/security/advisories/mfsa2022-47/

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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.