Buffer overflow in macOS - CVE-2021-30830

 

Buffer overflow in macOS - CVE-2021-30830

Published: September 21, 2021


Vulnerability identifier: #VU56743
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-2021-30830
CWE-ID: CWE-119
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 within the OS kernel subsystem. A local user can run a specially crafted program to trigger memory corruption and execute arbitrary code with root privileges.


Affected software

macOS

How to mitigate CVE-2021-30830

Install updates from vendor's website.

macOS - addressed in versions 11.6 20G165, 10.15.7 19H1417

External References

Related Security Bulletins