CVE-2021-1805 — Out-of-bounds Write in Apple Macos

CWE-787 — Out-of-bounds Write3 documents3 sources
Severity
7.8HIGHNVD
EPSS
0.3%
top 50.90%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Apple MacosApple MAC OS X
Timeline
PublishedApr 2
Latest updateMay 24

Description

An out-of-bounds write was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.2.1, macOS Catalina 10.15.7 Supplemental Update, macOS Mojave 10.14.6 Security Update 2021-002. 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 — 11.2
▶NVDapple/macos11.0 — 11.2
▶NVDapple/mac_os_x10.14 — 10.14.6+3

🔴Vulnerability Details

2
GHSA
GHSA-78vv-gpj6-9ffp: An out-of-bounds write was addressed with improved input validation↗2022-05-24
▶
CVEList
CVE-2021-1805: An out-of-bounds write was addressed with improved input validation↗2021-04-02
▶
CVE-2021-1805 — Out-of-bounds Write in Apple Macos | cvebase