Out-of-bounds read in macOS - CVE-2023-32420
Published: May 18, 2023
Vulnerability identifier: #VU76319
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-32420
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Apple Inc.
Affected software:
macOS
macOS
Detailed vulnerability description
The vulnerability allows a local application to gain access to potentially sensitive information or crash the kernel.
The vulnerability exists due to a boundary condition in IOSurfaceAccelerator. A local application can trigger an out-of-bounds read error and read contents of kernel memory or crash the system.
How to mitigate CVE-2023-32420
Install updates from vendor's website.