Out-of-bounds write in macOS - CVE-2021-30765

 

Out-of-bounds write in macOS - CVE-2021-30765

Published: July 22, 2021


Vulnerability identifier: #VU55208
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2021-30765
CWE-ID: CWE-787
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Apple Inc.
Affected software:
macOS

Detailed vulnerability description

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

The vulnerability exists due to a boundary error in Intel Graphics Driver. A local user can run a specially crafted program to trigger an out-of-bounds write and cause unexpected system termination or write kernel memory.


How to mitigate CVE-2021-30765

Install updates from vendor's website.

Sources