Out-of-bounds write in macOS - CVE-2021-1805
Published: February 9, 2021 / Updated: March 26, 2021
Vulnerability identifier: #VU50515
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-1805
CWE-ID: CWE-787
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error. A local user or malicious application can run a specially crafted code to trigger an out-of-bounds write and escalate privileges on the system.
Affected software
macOS
How to mitigate CVE-2021-1805
Install updates from vendor's website.
macOS - addressed in versions 10.15.7 19H524, 11.2.1 20D74