CVE-2019-8703 Privilege escalation in iOS

What is CVE-2019-8703?

CVE-2019-8703 is a critical vulnerability in Apple Iphone Os, published on 23 Dec 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

This issue was addressed with improved entitlements. This issue is fixed in watchOS 6, tvOS 13, macOS Catalina 10.15, iOS 13. An application may be able to gain elevated privileges.

Which versions are affected by CVE-2019-8703?

It affects 4 products.

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

How do I fix CVE-2019-8703?

No fix has been published for CVE-2019-8703 yet. Limit exposure of the affected software until one is available.

Is CVE-2019-8703 being exploited?

There is no known exploitation of CVE-2019-8703 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-4g77-86xf-vfq8.