critical
9.3
CWE
119
Advisory Published
CVE Published
Updated

CVE-2018-4143: Buffer Overflow

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. tvOS before 11.3 is affected. watchOS before 4.3 is affected. The issue involves the "Kernel" component. It allows attackers to execute arbitrary code in a privileged context or cause a denial of service (memory corruption) via a crafted app.

Credit: derrek @derrekr6 derrek @derrekr6 derrek @derrekr6 derrek @derrekr6 product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple iPhone OS<11.3
Apple Mac OS X<10.13.4
Apple tvOS<11.3
Apple watchOS<4.3
Apple watchOS<4.3
4.3
Apple tvOS<11.3
11.3
Apple iOS<11.3
11.3
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-2018-4143?

    CVE-2018-4143 is a memory corruption issue in certain Apple products.

  • Which Apple products are affected by CVE-2018-4143?

    iOS before 11.3, macOS before 10.13.4, tvOS before 11.3, and watchOS before 4.3 are affected.

  • What is the severity of CVE-2018-4143?

    CVE-2018-4143 has a severity rating of 7.8 (critical).

  • How can attackers exploit CVE-2018-4143?

    Attackers can exploit CVE-2018-4143 to execute arbitrary code in a privileged context or cause a denial-of-service.

  • Where can I find more information about CVE-2018-4143?

    You can find more information about CVE-2018-4143 on SecurityTracker (ID: 1040604, 1040608) and Apple Support (HT208692).

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