#VU76319 Out-of-bounds read in macOS


Published: 2023-05-18

Vulnerability identifier: #VU76319

Vulnerability risk: Low

CVSSv3.1: 6.4 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-32420

CWE-ID: CWE-125

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
macOS
Operating systems & Components / Operating system

Vendor: Apple Inc.

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.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

macOS: 13.0 22A380 - 13.3.1a 22E772610a


External links
http://support.apple.com/en-us/HT213758


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability