CVE-2021-30728 — Out-of-bounds Write in Apple Macos

CWE-787 — Out-of-bounds WriteCWE-668 — Resource ExposureCWE-862 — Missing Authorization7 documents5 sources
Severity
7.8HIGHNVD
EPSS
0.3%
top 47.36%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Apple MacosApple MAC OS X
Timeline
PublishedSep 8
Latest updateMay 24

Description

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina, Security Update 2021-004 Mojave. 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 — 11.4+1
▶NVDapple/macos11.0.1 — 11.4
▶NVDapple/mac_os_x10.14.0 — 10.14.5+3

🔴Vulnerability Details

3
GHSA
GHSA-qjgm-rr3x-5q3q: An out-of-bounds write issue was addressed with improved bounds checking↗2022-05-24
▶
GHSA
Electron's sandboxed renderers can obtain thumbnails of arbitrary files through the nativeImage API↗2021-10-12
▶
CVEList
CVE-2021-30728: An out-of-bounds write issue was addressed with improved bounds checking↗2021-09-08
▶

📋Vendor Advisories

3
Apple
CVE-2021-30728: Security Update 2021-004 Mojave↗2021-05-24
▶
Apple
CVE-2021-30728: macOS Big Sur 11.4↗2021-05-24
▶
Apple
CVE-2021-30728: Security Update 2021-003 Catalina↗2021-05-24
▶
CVE-2021-30728 — Out-of-bounds Write in Apple Macos | cvebase