high
7.8
Advisory Published
CVE Published
Updated

CVE-2018-4131

First published: Thu Mar 29 2018(Updated: )

An issue was discovered in certain Apple products. iOS before 11.3 is affected. macOS before 10.13.4 is affected. The issue involves the "WindowServer" component. It allows attackers to bypass the Secure Input Mode protection mechanism, and log keystrokes of arbitrary apps, via a crafted app that scans key states.

Credit: Andreas Hegenberg folivoraAndreas Hegenberg folivora product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple iOS<11.3
11.3
Apple iPhone OS<11.3
Apple Mac OS X<10.13.4
Apple macOS High Sierra<10.13.4
10.13.4
Apple Sierra
Apple El Capitan

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is CVE-2018-4131?

    CVE-2018-4131 is a vulnerability that allows attackers to log keystrokes entered into arbitrary apps on certain Apple products.

  • Which Apple products are affected by CVE-2018-4131?

    iOS before 11.3 and macOS before 10.13.4 are affected.

  • What is the severity of CVE-2018-4131?

    CVE-2018-4131 has a severity rating of 7.8 (high).

  • How can I fix CVE-2018-4131?

    To fix CVE-2018-4131, update your iOS device to version 11.3 or higher and update macOS to version 10.13.4 or higher.

  • Where can I find more information about CVE-2018-4131?

    You can find more information about CVE-2018-4131 at the following references: [http://www.securityfocus.com/bid/103581](http://www.securityfocus.com/bid/103581), [http://www.securitytracker.com/id/1040604](http://www.securitytracker.com/id/1040604), [http://www.securitytracker.com/id/1040608](http://www.securitytracker.com/id/1040608)

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