high
8.8
CWE
119
Advisory Published
CVE Published
CVE Published
Updated

CVE-2018-4233: Buffer Overflow

First published: Tue May 29 2018(Updated: )

An issue was discovered in certain Apple products. iOS before 11.4 is affected. Safari before 11.1.1 is affected. iCloud before 7.5 on Windows is affected. iTunes before 12.7.5 on Windows is affected. tvOS before 11.4 is affected. watchOS before 4.3.1 is affected. The issue involves the "WebKit" component. It allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site.

Credit: an anonymous researcher natashenka Google Project ZeroSamuel Groß @5aelo Trend Micro product-security@apple.com product-security@apple.com product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple iTunes for Windows<12.7.5
12.7.5
Apple Safari<11.1.1
Apple iPhone OS<11.4
Apple tvOS<11.4
Apple watchOS<4.3.1
Apple iCloud<7.5
Microsoft Windows
Apple iTunes<12.7.5
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=17.10
Canonical Ubuntu Linux=18.04
ubuntu/webkit2gtk<2.20.3-0ubuntu0.17.10.1
2.20.3-0ubuntu0.17.10.1
ubuntu/webkit2gtk<2.20.3-0ubuntu0.18.04.1
2.20.3-0ubuntu0.18.04.1
ubuntu/webkit2gtk<2.20.3
2.20.3
ubuntu/webkit2gtk<2.20.3-0ubuntu0.16.04.1
2.20.3-0ubuntu0.16.04.1
All of
Apple iCloud<7.5
Microsoft Windows
All of
Apple iTunes<12.7.5
Microsoft Windows
debian/webkit2gtk
2.44.2-1~deb11u1
2.44.3-1~deb11u1
2.44.2-1~deb12u1
2.44.3-1~deb12u1
2.44.3-1
2.44.4-1

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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-2018-4233?

    CVE-2018-4233 is a vulnerability in certain Apple products that affects iOS, Safari, iCloud (on Windows), iTunes (on Windows), tvOS, and watchOS.

  • What is the severity of CVE-2018-4233?

    The severity of CVE-2018-4233 is high, with a CVSS score of 8.8.

  • Which software versions are affected by CVE-2018-4233?

    iOS before 11.4, Safari before 11.1.1, iCloud before 7.5 (on Windows), iTunes before 12.7.5 (on Windows), tvOS before 11.4, and watchOS before 4.3.1 are affected by CVE-2018-4233.

  • How can I fix CVE-2018-4233 in Debian?

    To fix CVE-2018-4233 in Debian, update the webkit2gtk package to version 2.42.1-2 or later.

  • How can I fix CVE-2018-4233 in Ubuntu?

    To fix CVE-2018-4233 in Ubuntu, update the webkit2gtk package to version 2.20.3-0ubuntu0.17.10.1, 2.20.3-0ubuntu0.18.04.1, or later depending on your Ubuntu version.

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