CVE-2020-9853 — Improper Input Validation in Apple Macos

CWE-20 — Improper Input ValidationCWE-787 — Out-of-bounds WriteCWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer2 documents2 sources
Severity
7.8HIGHNVD
EPSS
0.3%
top 51.07%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Apple MacosApple MAC OS X
Timeline
PublishedOct 22
Latest updateMay 24

Description

A memory corruption issue was addressed with improved validation. This issue is fixed in macOS Catalina 10.15.4. A malicious application may be able to determine kernel memory layout.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages2 packages

▶CVEListV5apple/macosunspecified — macOS Catalina 10.15.4
▶NVDapple/mac_os_x< 10.15.4

🔴Vulnerability Details

1
GHSA
GHSA-qw5w-44g5-x7m4: A memory corruption issue was addressed with improved validation↗2022-05-24
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CVE-2020-9853 — Improper Input Validation in Apple | cvebase