CVE-2019-8748 Details


Published: 2019-12-18 18:15:00
CVE Author: NIST National Vulnerability Database (NVD)

A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Catalina 10.15. An application may be able to execute arbitrary code with kernel privileges.

Exploitability Analysis:

This is a vulnerability exploitable with only local access requires the attacker to have either physical access to the vulnerable system or a local (shell) account. Examples of locally exploitable vulnerabilities are peripheral attacks such as Firewire/USB DMA attacks, and local privilege escalations (e.g., sudo).

Exploitability Complexity:

Specialized access conditions or extenuating circumstances do not exist. The following are examples: The affected product typically requires access to a wide range of systems and users, possibly anonymous an untrusted (e.g., Internet-facing web or mail server). The affected configuration is default or ubiquitous. The attack can be performed manually and requires little skill or additional information gathering. The 'race condition' is a lazy one (i.e., it is technically a race but easily winnable).


Authentication is not required to access and exploit the vulnerability.

Confidentiality Impact:

There is total information disclosure, resulting in all system files being revealed. The attacker is able to read all of the system's data (memory, files, etc.).

Integrity Impact:

There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised. The attacker is able to modify any files on the target system.

Availability Impact:

There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.

NIST (National Institute of Standards and Technology) NVD (National Vulnerability Database)


CVSS Score
Locally Exploitable

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