#VU58892 Input validation error in macOS


Published: 2021-12-14

Vulnerability identifier: #VU58892

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-2021-30938

CWE-ID: CWE-20

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
macOS
Operating systems & Components / Operating system

Vendor: Apple Inc.

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input within the Wi-Fi subsystem. A local user can cause unexpected system termination or read kernel memory.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

macOS: 12.0 21A344 - 12.0.1 21A559


External links
http://support.apple.com/en-us/HT212978


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