CVE-2019-8631 Business logic in iOS

What is CVE-2019-8631?

CVE-2019-8631 is a high-severity vulnerability in Apple Iphone Os, published on 27 Oct 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A logic issue was addressed with improved state management. This issue is fixed in macOS Mojave 10.14.5, Security Update 2019-003 High Sierra, Security Update 2019-003 Sierra, iOS 12.3, tvOS 12.3. Users removed from an iMessage conversation may still be able to alter state.

Which versions are affected by CVE-2019-8631?

It affects 3 products.

Products include Apple Iphone Os, Apple Mac Os X, Apple Tvos.

How do I fix CVE-2019-8631?

No fix has been published for CVE-2019-8631 yet. Limit exposure of the affected software until one is available.

Is CVE-2019-8631 being exploited?

There is no known exploitation of CVE-2019-8631 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-96qv-qp42-qgwg.