Buffer overflow in macOS - CVE-2020-9821
Published: May 29, 2020
Vulnerability identifier: #VU28352
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-9821
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within the Kernel. A remote attacker can use a specially crafted application to trigger memory corruption and execute arbitrary code on the target system with kernel privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
macOS
How to mitigate CVE-2020-9821
Install updates from vendor's website.
macOS - update to 10.15.5 19F96