high
8.8
CWE
20
Advisory Published
CVE Published
CVE Published
Updated

CVE-2018-4208: Input Validation

First published: Thu Mar 29 2018(Updated: )

In iOS before 11.3, Safari before 11.1, iCloud for Windows before 7.4, tvOS before 11.3, watchOS before 4.3, iTunes before 12.7.4 for Windows, unexpected interaction causes an ASSERT failure. This issue was addressed with improved checks.

Credit: found by OSS-Fuzz found by OSS-Fuzz found by OSS-Fuzz found by OSS-Fuzz found by OSS-Fuzz product-security@apple.com product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple Safari<11.1
11.1
Apple iCloud for Windows<7.4
7.4
Apple watchOS<4.3
4.3
Apple tvOS<11.3
11.3
Apple iOS<11.3
11.3
Apple Safari<11.1
Apple iPhone OS<11.3
Apple tvOS<11.3
Apple watchOS<4.3
Apple iCloud<7.4
Apple iTunes<12.7.4
Microsoft Windows
Canonical Ubuntu Linux=18.04
Webkitgtk Webkitgtk\+<2.22.0
All of
Any of
Apple iCloud<7.4
Apple iTunes<12.7.4
Microsoft Windows
ubuntu/webkit2gtk<2.22.2-0ubuntu0.18.04.1
2.22.2-0ubuntu0.18.04.1
ubuntu/webkit2gtk<2.22.2-1ubuntu1
2.22.2-1ubuntu1
ubuntu/webkit2gtk<2.22.2-1ubuntu1
2.22.2-1ubuntu1
ubuntu/webkit2gtk<2.22.2-1ubuntu1
2.22.2-1ubuntu1
ubuntu/webkit2gtk<2.22.2-1ubuntu1
2.22.2-1ubuntu1
ubuntu/webkit2gtk<2.22.2-1ubuntu1
2.22.2-1ubuntu1
ubuntu/webkit2gtk<2.22.2-1ubuntu1
2.22.2-1ubuntu1
ubuntu/webkit2gtk<2.22.2-1ubuntu1
2.22.2-1ubuntu1
ubuntu/webkit2gtk<2.22.2-1ubuntu1
2.22.2-1ubuntu1
ubuntu/webkit2gtk<2.22.2-1ubuntu1
2.22.2-1ubuntu1
ubuntu/webkit2gtk<2.22.2-1ubuntu1
2.22.2-1ubuntu1
ubuntu/webkit2gtk<2.22.2-1ubuntu1
2.22.2-1ubuntu1
ubuntu/webkit2gtk<2.22.2-1ubuntu1
2.22.2-1ubuntu1
ubuntu/webkit2gtk<2.22.0
2.22.0
debian/webkit2gtk
2.44.2-1~deb11u1
2.44.2-1~deb12u1
2.44.2-1

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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-2018-4208?

    CVE-2018-4208 is a vulnerability in WebKit that allows for an ASSERT failure due to unexpected interaction.

  • Which software versions are affected by CVE-2018-4208?

    iOS before 11.3, Safari before 11.1, iCloud for Windows before 7.4, tvOS before 11.3, watchOS before 4.3, and iTunes before 12.7.4 for Windows are affected.

  • What is the severity of CVE-2018-4208?

    The severity of CVE-2018-4208 is rated as high with a severity value of 8.8.

  • How can I fix CVE-2018-4208?

    To fix CVE-2018-4208, update to the latest version of the affected software. Links to remediation instructions can be found in the references section.

  • Where can I find more information about CVE-2018-4208?

    More information about CVE-2018-4208 can be found at the following references: <br>1. CVE-2018-4208 on MITRE: <a href='https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4208'>https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4208</a> <br>2. OSS Security mailing list: <a href='https://www.openwall.com/lists/oss-security/2018/09/29/1'>https://www.openwall.com/lists/oss-security/2018/09/29/1</a> <br>3. WebKitGTK+ Advisory: <a href='https://webkitgtk.org/security/WSA-2018-0007.html'>https://webkitgtk.org/security/WSA-2018-0007.html</a>

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