#VU81172 Security features bypass in macOS - CVE-2023-40455

Vulnerability identifier: #VU81172

Vulnerability risk: Low

CVSSv4.0: 5.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-40455

CWE-ID: CWE-254

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
macOS
Operating systems & Components / Operating system

Vendor: Apple Inc.

Description

The vulnerability allows a local application to bypass implemented security restrictions.

The vulnerability exists due to improper permissions check in NetFSFramework. A local application can bypass sandbox restrictions.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

macOS: before 14.0, 14.0

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External links
https://support.apple.com/en-us/HT213940

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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.