Buffer overflow in macOS - CVE-2020-3837

 

Buffer overflow in macOS - CVE-2020-3837

Published: May 19, 2021 / Updated: March 30, 2023


Vulnerability identifier: #VU53376
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-2020-3837
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability: The vulnerability is being exploited in the wild

Vulnerability details

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error within IOAcceleratorFamily. A local user can run a specially crafted program to trigger memory corruption and execute arbitrary code with kernel privileges.


Affected software

macOS

How to mitigate CVE-2020-3837

Install updates from vendor's website.

macOS - update to 10.15.3 19D76

Links to Public Exploits and PoC-codes

External References

Related Security Bulletins