Vulnerability identifier: #VU11415

Vulnerability risk: Low

CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-4131

CWE-ID: CWE-284

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 on the target system.

The weakness exists due to a state management flaw in the WindowServer component.  A remote attacker can bypass security restrictions and log keystrokes entered into other applications when secure input mode is enabled.

Mitigation
Update to version 11.3.

Vulnerable software versions

Apple iOS: 11.2 - 11.2.6

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External links
http://support.apple.com/en-us/HT208693

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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.