CVE-2019-8637 Privilege escalation in iOS

What is CVE-2019-8637?

CVE-2019-8637 is a high-severity vulnerability in Apple Iphone Os, published on 18 Dec 2019. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

An input validation issue was addressed with improved input validation. This issue is fixed in iOS 12.3, tvOS 12.3, watchOS 5.2.1. A malicious application may be able to gain root privileges.

Weakness: CWE-20

Which versions are affected by CVE-2019-8637?

It affects 3 products.

Products include Apple Iphone Os, Apple Tvos, Apple Watchos.

How do I fix CVE-2019-8637?

No fix has been published for CVE-2019-8637 yet. Limit exposure of the affected software until one is available.

Is CVE-2019-8637 being exploited?

There is no known exploitation of CVE-2019-8637 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-mj2w-6wfx-p7f2.