CVE-2018-4207: Input Validation

Published 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.

Other sources

WebKit. This issue was addressed with improved checks.

Credit

found by OSS-Fuzz

Affected Software

32 affected componentsFixes available
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<2.20.0
2.20.0
debian/webkit2gtk
2.44.2-1~deb11u12.44.2-1~deb12u12.44.2-1
Apple tvOS<11.3
11.3
Apple WatchOS<4.3
4.3
Apple iCloud for Windows<7.4
7.4
Apple Safari<11.1
11.1
Apple iOS<11.3
11.3
Apple Safari<11.1
Apple iPhone OS<11.3
Apple tvOS<11.3
Apple WatchOS<4.3
All of the following
Any of the following
Apple iCloud<7.4
Apple iTunes<12.7.4
Microsoft Windows
Canonical Ubuntu Linux=18.04
WebKitGTK Webkitgtk\+<2.22.0
Apple iCloud<7.4
Apple iTunes<12.7.4
Microsoft Windows

Event History

Sep 28, 2018
CVE Published
via Ubuntu·12:00 AM
Jan 11, 2019
CVE Published
via MITRE·06:00 PM
Data Sourced
via MITRE·06:00 PM
Description
Jan 11, 2024
Data Sourced
via Launchpad·11:04 PM
Description

Parent advisories

This vulnerability appears in the following advisories.

Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2018-4207?

The severity of CVE-2018-4207 is high with a severity value of 8.8.

2

How does CVE-2018-4207 impact iOS, Safari, iCloud for Windows, tvOS, and watchOS?

CVE-2018-4207 can cause an ASSERT failure in iOS before 11.3, Safari before 11.1, iCloud for Windows before 7.4, tvOS before 11.3, and watchOS before 4.3.

3

How can I fix CVE-2018-4207 on my system?

To fix CVE-2018-4207, update your software to the recommended version: webkit2gtk 2.22.2-1ubuntu1 for Ubuntu, Safari 11.1 for Apple devices, iCloud for Windows 7.4 for Windows, tvOS 11.3 for Apple tvOS, watchOS 4.3 for Apple watchOS, and iTunes 12.7.4 for Windows.

4

Where can I find more information about CVE-2018-4207?

You can find more information about CVE-2018-4207 on the MITRE CVE website and the WebKitGTK website.

5

What is the Common Weakness Enumeration (CWE) ID for CVE-2018-4207?

The CWE ID for CVE-2018-4207 is CWE-20.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203