#VU72428 Input validation error in tvOS - CVE-2023-23524

Vulnerability identifier: #VU72428

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-23524

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
tvOS
Operating systems & Components / Operating system

Vendor: Apple Inc.

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input when processing certificates in Apple TV 4K, Apple TV HD and Apple Watch Series 4. A remote attacker can trick the victim to connect to a malicious website, supply a malformed certificate while connecting and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

tvOS: 16.0 20J373 - 16.3.1 20K661

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External links
https://support.apple.com/en-us/HT213632

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.