CWE
119
Advisory Published
CVE Published
Updated

CVE-2018-4242: Buffer Overflow

First published: Fri Jun 01 2018(Updated: )

An issue was discovered in certain Apple products. macOS before 10.13.5 is affected. The issue involves the "Hypervisor" 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: Zhuo Liang Qihoo 360 Nirvan TeamZhuo Liang Qihoo 360 Nirvan Team product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple Mac OS X<10.13.5
Apple macOS High Sierra<10.13.5
10.13.5
Apple Sierra
Apple El Capitan
Apple macOS Mojave<10.14.1
10.14.1
Apple High Sierra

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Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is CVE-2018-4242?

    CVE-2018-4242 is a memory corruption vulnerability in the Hypervisor component of certain Apple products.

  • How does CVE-2018-4242 affect macOS?

    CVE-2018-4242 affects macOS versions before 10.13.5, allowing attackers to execute arbitrary code or cause a denial of service.

  • What is the severity of CVE-2018-4242?

    The severity of CVE-2018-4242 is critical with a CVSS score of 7.8.

  • How can I fix CVE-2018-4242?

    To fix CVE-2018-4242, update to macOS version 10.13.5 or later.

  • Where can I find more information about CVE-2018-4242?

    More information about CVE-2018-4242 can be found on the Apple support website or security tracker websites. Reference links: [1](https://support.apple.com/en-us/HT209193), [2](http://www.securitytracker.com/id/1041027), [3](http://www.securitytracker.com/id/1042004).

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