CVE-2018-4221 Information disclosure in n/a

What is CVE-2018-4221?

CVE-2018-4221 is a high-severity vulnerability in Apple Iphone Os, published on 8 Jun 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered in certain Apple products. iOS before 11.4 is affected. macOS before 10.13.5 is affected. The issue involves the "Security" component. It allows web sites to track users by leveraging the transmission of S/MIME client certificates.

Weakness: CWE-200

Which versions are affected by CVE-2018-4221?

It affects 2 products.

Products include Apple Iphone Os, Apple Mac Os X.

How do I fix CVE-2018-4221?

No fix has been published for CVE-2018-4221 yet. Limit exposure of the affected software until one is available.

Is CVE-2018-4221 being exploited?

There is no known exploitation of CVE-2018-4221 in the wild and no public exploit code.

Other vulnerabilities in Apple Iphone Os

• CVE-2021-30666 Apple iOS WebKit Buffer Overflow Exploited High 8.8
• CVE-2021-30761 Apple iOS WebKit Memory Corruption Exploited High 8.8
• CVE-2021-30762 Apple iOS WebKit Use-After-Free Exploited High 8.8
• CVE-2016-4657 Apple iOS Webkit Memory Corruption Exploited High 8.8
• CVE-2019-7286 Apple Multiple Products Memory Corruption Exploited High 7.8

All Apple Iphone Os vulnerabilities

Sources

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

Also known as GHSA-vr7w-7rr7-4c5c.