#VU70516 Improper access control in macOS - CVE-2022-42838

Vulnerability identifier: #VU70516

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-2022-42838

CWE-ID: CWE-284

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 gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in CoreMedia. A local application can bypass implemented security restrictions and continue receiving video after the app, which activated the video stream, was closed.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

macOS: before 13.0, 13.0

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External links
https://support.apple.com/en-us/HT213488

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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.