high
7.5
CWE
20
Advisory Published
CVE Published
Updated

CVE-2018-4398: Input Validation

First published: Tue Oct 30 2018(Updated: )

An issue existed in the method for determining prime numbers. This issue was addressed by using pseudorandom bases for testing of primes. This issue affected versions prior to iOS 12.1, macOS Mojave 10.14.1, tvOS 12.1, watchOS 5.1, iTunes 12.9.1, iCloud for Windows 7.8.

Credit: Martin Albrecht Jake Massimo Kenny Paterson Royal HollowayUniversity London Juraj Somorovsky Ruhr UniversityBochum product-security@apple.com

Affected SoftwareAffected VersionHow to fix
tvOS<12.1
12.1
macOS Mojave<10.14.1
10.14.1
macOS High Sierra
macOS High Sierra
Apple iOS, iPadOS, and watchOS<12.1
12.1
Apple iOS, iPadOS, and watchOS<5.1
5.1
Apple iCloud<7.8
7.8
Apple iTunes<12.9.1
12.9.1
iStyle @cosme iPhone OS<12.1
Apple iOS and macOS<10.14.1
tvOS<12.1
Apple iOS, iPadOS, and watchOS<5.1
Apple iCloud for Windows<7.8
Apple iTunes for Windows<12.9.1
Microsoft Windows

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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 the vulnerability ID of this issue?

    The vulnerability ID is CVE-2018-4398.

  • What is the severity level of CVE-2018-4398?

    CVE-2018-4398 has a severity level of high.

  • Which versions of macOS are affected by CVE-2018-4398?

    Versions prior to macOS Mojave 10.14.1 are affected by CVE-2018-4398.

  • Which versions of iOS are affected by CVE-2018-4398?

    Versions prior to iOS 12.1 are affected by CVE-2018-4398.

  • Where can I find more information about CVE-2018-4398?

    You can find more information about CVE-2018-4398 on the Apple support website: [link1](https://support.apple.com/en-us/HT209193), [link2](https://support.apple.com/kb/HT209192), [link3](https://support.apple.com/kb/HT209193).

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