Vulnerability identifier: #VU89538

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-2024-4767

CWE-ID: CWE-399

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Mozilla Firefox
Client/Desktop applications / Web browsers
Firefox ESR
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 due to browser does not delete IndexedDB files after browser window is closed if the `browser.privatebrowsing.autostart` preference is enabled. A local user can view the file and gain access to data browsed in private browsing mode.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 100.0 - 125.0.3

Firefox ESR: 115.0 - 115.10.0, 102.0 - 102.15.1

Firefox for Android: 100.1.0 - 124.2.0

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External links
http://www.mozilla.org/en-US/security/advisories/mfsa2024-21/
http://www.mozilla.org/en-US/security/advisories/mfsa2024-22/

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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.