CVE-2021-30981 — Classic Buffer Overflow in Apple Macos

CWE-120 — Classic Buffer Overflow5 documents3 sources
Severity
7.8HIGHNVD
EPSS
0.7%
top 26.88%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Apple MacosApple MAC OS X
Timeline
PublishedAug 24
Latest updateDec 13

Description

A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Monterey 12.1, Security Update 2021-008 Catalina, macOS Big Sur 11.6.2. An application may be able to execute arbitrary code with kernel privileges.

CVSS vector

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

Affected Packages3 packages

▶CVEListV5apple/macosunspecified — 12.1+2
▶NVDapple/macos11.0 — 11.6.2+1
▶NVDapple/mac_os_x10.15 — 10.15.7+1

🔴Vulnerability Details

1
CVEList
CVE-2021-30981: A buffer overflow was addressed with improved bounds checking↗2021-08-24
▶

📋Vendor Advisories

3
Apple
CVE-2021-30981: macOS Big Sur 11.6.2↗2021-12-13
▶
Apple
CVE-2021-30981: Security Update 2021-008 Catalina↗2021-12-13
▶
Apple
CVE-2021-30981: macOS Monterey 12.1↗2021-12-13
▶
CVE-2021-30981 — Classic Buffer Overflow in Apple Macos | cvebase