CVE-2019-8774 Denial of service in iOS and iPadOS
Attackers can cause persistent denial-of-service by tricking users into opening maliciously crafted iBooks files on Apple devices.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2019-8774?
CVE-2019-8774 is a medium-severity denial of service vulnerability in Apple Ipad Os, published on 27 Oct 2020. 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
A resource exhaustion issue was addressed with improved input validation. This issue is fixed in iOS 13.1 and iPadOS 13.1, macOS Catalina 10.15. Parsing a maliciously crafted iBooks file may lead to a persistent denial-of-service.
Which versions are affected by CVE-2019-8774?
It affects 3 products.
Products include Apple Ipad Os, Apple Iphone Os, Apple Mac Os X.
How do I fix CVE-2019-8774?
No fix has been published for CVE-2019-8774 yet. Limit exposure of the affected software until one is available.
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-2019-8774 being exploited?
There is no known exploitation of CVE-2019-8774 in the wild and no public exploit code.
Other vulnerabilities in Apple Ipad Os
Sources
Also known as GHSA-rgmg-8w65-pm2j.