CVE-2020-27898 Denial of service in macOS
An attacker can cause a denial of service and bypass Managed Frame Protection in macOS by exploiting a state handling issue.
- 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-2020-27898?
CVE-2020-27898 is a medium-severity denial of service vulnerability in Apple Macos, published on 8 Dec 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 denial of service issue was addressed with improved state handling. This issue is fixed in macOS Big Sur 11.0.1. An attacker may be able to bypass Managed Frame Protection.
Weakness: CWE-252
Which versions are affected by CVE-2020-27898?
It affects 1 product.
Products include Apple Macos.
How do I fix CVE-2020-27898?
No fix has been published for CVE-2020-27898 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-2020-27898 being exploited?
There is no known exploitation of CVE-2020-27898 in the wild and no public exploit code.
Other vulnerabilities in Apple Macos
Sources
Also known as GHSA-qq7j-g886-9qqh.