CVE-2019-8805 Privilege escalation in macOS

What is CVE-2019-8805?

CVE-2019-8805 is a high-severity vulnerability in Apple Mac Os X, published on 18 Dec 2019. 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 validation issue existed in the entitlement verification. This issue was addressed with improved validation of the process entitlement. This issue is fixed in macOS Catalina 10.15.1. An application may be able to execute arbitrary code with system privileges.

Which versions are affected by CVE-2019-8805?

It affects 1 product.

Products include Apple Mac Os X.

How do I fix CVE-2019-8805?

No fix has been published for CVE-2019-8805 yet. Limit exposure of the affected software until one is available.

Is CVE-2019-8805 being exploited?

There is no known exploitation of CVE-2019-8805 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Other vulnerabilities in Apple Mac Os X

• CVE-2014-7169 GNU Bourne-Again Shell (Bash) Arbitrary Code Execution Exploited Critical 9.8
• CVE-2014-6271 GNU Bourne-Again Shell (Bash) Arbitrary Code Execution Exploited Critical 9.8
• CVE-2012-1823 PHP-CGI Query String Parameter Exploited Critical 9.8
• CVE-2021-30713 Apple macOS Unspecified Exploited High 7.8
• CVE-2019-8526 Apple macOS Use-After-Free Exploited High 7.8

All Apple Mac Os X vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-75c4-xj7m-vrpm.