Improper input validation in Apple Mac OS X

CVE-2018-4338

A validation issue was addressed with improved input sanitization. This issue affected versions prior to macOS Mojave 10.14.

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

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.014 (72.2th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 72.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2018-4338: held from 0.014 to 0.014.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000

Affected products

  • Apple Mac OS X
  • macOS — versions Versions prior to: macOS Mojave 10.14

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-4338?
CVE-2018-4338 is a medium-severity vulnerability in Apple Mac OS X, classified under Improper Input Validation. CVSS score: 5.5/10. Published 2019-04-03.
How severe is CVE-2018-4338?
Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2018-4338 known to be exploited?
4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.