What is CVE-2019-6238?

CVE-2019-6238 is a high-severity vulnerability in Apple macOS, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2020-10-27.

How severe is CVE-2019-6238?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2019-6238 known to be exploited?

4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Improper input validation in Apple macOS

CVE-2019-6238

A validation issue existed in the handling of symlinks. This issue was addressed with improved validation of symlinks. This issue is fixed in macOS Mojave 10.14.4, Security Update 2019-002 High Sierra, Security Update 2019-002 Sierra. Processing a maliciously crafted package may lead to arbitrary code execution.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.012 (63.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Apple Macos — versions unspecified
Apple Mac_os_x

Weakness classification (CWE)

CWE-20 — Improper Input Validation

Public proof-of-concept exploits

References

product-security@apple.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2019-6238?: CVE-2019-6238 is a high-severity vulnerability in Apple macOS, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2020-10-27.
How severe is CVE-2019-6238?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2019-6238 known to be exploited?: 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.