CVE-2018-4436: High severity tvos vulnerability

Published Dec 5, 2018
·
Updated

Profiles. A certificate validation issue existed in configuration profiles. This was addressed with additional checks.

Other sources

A certificate validation issue existed in configuration profiles. This was addressed with additional checks. This issue affected versions prior to iOS 12.1.1, tvOS 12.1.1, watchOS 5.1.2.

Credit

James Seeley@@Code4iOS, Joseph S.(JJS Securities), James Seeley@@Code4iOS, Joseph S.(JJS Securities), James Seeley@@Code4iOS, Joseph S.(JJS Securities)

Affected Software

6 affected componentsFixes available
Apple tvOS<12.1.1
12.1.1
Apple WatchOS<5.1.2
5.1.2
Apple iOS<12.1.1
12.1.1
Apple iPhone OS<12.1.1
Apple tvOS<12.1.1
Apple WatchOS<5.1.2

Event History

Apr 3, 2019
CVE Published
via MITRE·05:43 PM
Data Sourced
via MITRE·05:43 PM
DescriptionWeakness

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 CVE-2018-4436?

CVE-2018-4436 is a certificate validation issue that existed in configuration profiles in certain Apple software versions.

2

How does CVE-2018-4436 affect Apple devices?

CVE-2018-4436 affects Apple devices running iOS versions prior to 12.1.1, tvOS versions prior to 12.1.1, and watchOS versions prior to 5.1.2.

3

What is the severity of CVE-2018-4436?

The severity of CVE-2018-4436 is high with a CVSS score of 7.5.

4

How can I fix CVE-2018-4436?

To fix CVE-2018-4436, update your Apple device to iOS 12.1.1, tvOS 12.1.1, or watchOS 5.1.2 or later.

5

Where can I find more information about CVE-2018-4436?

More information about CVE-2018-4436 can be found on the Apple support website at the following links: [link1](https://support.apple.com/kb/HT209340), [link2](https://support.apple.com/kb/HT209342), [link3](https://support.apple.com/kb/HT209343).

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