CVE-2021-30830 — Out-of-bounds Write in Apple Macos

CWE-787 — Out-of-bounds Write5 documents4 sources
Severity
7.8HIGHNVD
EPSS
0.2%
top 58.50%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Apple MacosApple MAC OS X
Timeline
PublishedOct 19
Latest updateMay 24

Description

A memory corruption issue was addressed with improved memory handling. This issue is fixed in Security Update 2021-005 Catalina, macOS Big Sur 11.6. A malicious 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 — 11.6+1
▶NVDapple/macos11.0 — 11.6
▶NVDapple/mac_os_x10.15 — 10.15.6+1

🔴Vulnerability Details

2
GHSA
GHSA-v2c2-f456-8p3q: A memory corruption issue was addressed with improved memory handling↗2022-05-24
▶
CVEList
CVE-2021-30830: A memory corruption issue was addressed with improved memory handling↗2021-10-19
▶

📋Vendor Advisories

2
Apple
CVE-2021-30830: Security Update 2021-005 Catalina↗2021-09-13
▶
Apple
CVE-2021-30830: macOS Big Sur 11.6↗2021-09-13
▶
CVE-2021-30830 — Out-of-bounds Write in Apple Macos | cvebase