CVE-2018-4213 Denial of service in n/a

What is CVE-2018-4213?

CVE-2018-4213 is a high-severity denial of service vulnerability in Apple Icloud, published on 11 Jan 2019. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

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.

Weakness: CWE-20

Which versions are affected by CVE-2018-4213?

It affects 8 products.

Products include Apple Icloud, Apple Iphone Os, Apple Itunes, Apple Safari, Apple Tvos, Apple Watchos and 2 more.

How do I fix CVE-2018-4213?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2018-4213 being exploited?

There is no known exploitation of CVE-2018-4213 in the wild and no public exploit code.

Other vulnerabilities in Apple Icloud

• CVE-2019-8506 Apple Multiple Products Type Confusion Exploited High 8.8
• CVE-2020-27932 Apple Multiple Products Type Confusion Exploited High 7.8
• CVE-2019-8746 Memory corruption in iOS Critical 9.8
• CVE-2019-8749 Memory corruption in iOS Critical 9.8
• CVE-2019-8756 Memory corruption in iOS Critical 9.8

All Apple Icloud vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2018-4213, GHSA-p6hh-6rh4-v28w, UBUNTU-CVE-2018-4213.