CVE-2020-9899 — Out-of-bounds Write in Apple Macos

CWE-787 — Out-of-bounds WriteCWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer3 documents3 sources
Severity
7.8HIGHNVD
EPSS
0.2%
top 52.21%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Apple MacosApple MAC OS XApple Macos Catalina 10.15.6 Security Update 2020-004 Mojave Security Update 2020-004
Timeline
PublishedOct 22
Latest updateMay 24

Description

A memory corruption issue was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15.6. An application may be able to execute arbitrary code with kernel privileges.

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 Packages3 packages

▶CVEListV5apple/macosunspecified — macOS Catalina 10.15.6
▶NVDapple/mac_os_x10.13.6 — 10.15.6

🔴Vulnerability Details

1
GHSA
GHSA-528v-gr3q-63mr: A memory corruption issue was addressed with improved input validation↗2022-05-24
▶

📋Vendor Advisories

1
Apple
CVE-2020-9899: macOS Catalina 10.15.6, Security Update 2020-004 Mojave, Security Update 2020-004 High Sierra↗2020-07-15
▶
CVE-2020-9899 — Out-of-bounds Write in Apple Macos | cvebase