#VU84574 Inclusion of Sensitive Information in Log Files in Mozilla Firefox - CVE-2023-6872

Vulnerability identifier: #VU84574

Vulnerability risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-6872

CWE-ID: CWE-532

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Mozilla Firefox
Client/Desktop applications / Web browsers

Vendor: Mozilla

Description

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

The vulnerability exists due to Browser tab titles are leaked by GNOME to system logs. A local user can read the log files and gain access to sensitive data.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 116.0 - 120.0.1

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External links
https://www.mozilla.org/en-US/security/advisories/mfsa2023-56/

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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.