#VU17437 Security restrictions bypass in Apple iOS - CVE-2019-6223

Vulnerability identifier: #VU17437

Vulnerability risk: Low

CVSSv4.0: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:A/U:Clear]

CVE-ID: CVE-2019-6223

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Apple iOS
Operating systems & Components / Operating system

Vendor: Apple Inc.

Description
The vulnerability allows a remote attacker to bypass security restrictions.

The weakness exists due to a logic issue in the handling of Group FaceTime calls. A remote attacker who is the initiator of a Group FaceTime call can cause the recipient to answer.

Mitigation
Update to versions 12.1.4.

Vulnerable software versions

Apple iOS: 12.0 16A366 - 12.0.1 16A404, 12.1 16B92 - 12.1.3 16D39

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External links
https://support.apple.com/en-us/HT209520

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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?

Yes. This vulnerability is being exploited in the wild.