Vulnerability identifier: #VU13128

Vulnerability risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-4238

CWE-ID: CWE-264

Exploitation vector: Local

Exploit availability: No

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

Vendor: Apple Inc.

Description

The vulnerability allows a physically local attacker to bypass security restrictions on the target system.

The vulnerability exists due to a permissions error in the Siri component. A physically local attacker can bypass security restrictions and enable Siri from the lock screen.

Mitigation
Update to version 11.4.

Vulnerable software versions

Apple iOS: 11.3 - 11.3.1

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External links
http://support.apple.com/en-us/HT208848

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Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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