#VU72070 Missing Encryption of Sensitive Data in FreeBSD - CVE-2023-0751

Vulnerability identifier: #VU72070

Vulnerability risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-0751

CWE-ID: CWE-311

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
FreeBSD
Operating systems & Components / Operating system

Vendor: FreeBSD Foundation

Description

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

The vulnerability exists due to an error in GELI when reading a key file from a standard output. As a result, some GELI providers might be silently encrypted with a NULL key file.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

FreeBSD: 12.0 - 13.1

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External links
https://www.freebsd.org/security/advisories/FreeBSD-SA-23:01.geli.asc

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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.