CVE-2019-8837 Missing authorization in macOS

High 7.8 Published 27 Oct 2020 Updated 4 Aug 2024

A malicious application can access restricted files due to a logic issue in macOS, requiring a security update to mitigate.

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-2019-8837?

CVE-2019-8837 is a high-severity missing authorization vulnerability in Apple Mac Os X, 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 logic issue was addressed with improved restrictions. This issue is fixed in macOS Catalina 10.15.2, Security Update 2019-002 Mojave, and Security Update 2019-007 High Sierra. A malicious application may be able to access restricted files.

Which versions are affected by CVE-2019-8837?

It affects 1 product.

Products include Apple Mac Os X.

How do I fix CVE-2019-8837?

No fix has been published for CVE-2019-8837 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2019-8837 being exploited?

There is no known exploitation of CVE-2019-8837 in the wild and no public exploit code.

All Apple Mac Os X vulnerabilities

Sources

Also known as GHSA-6p33-r37v-cff4.