#VU50230 Improper Authentication in macOS


Published: 2021-02-02

Vulnerability identifier: #VU50230

Vulnerability risk: Low

CVSSv3.1: 3 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-1769

CWE-ID: CWE-287

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 bypass authentication process.

The vulnerability exists due to an error in when processing authentication requests within the Swift component in macOS. A local user with arbitrary read and write capability may be able to bypass Pointer Authentication.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

macOS: 11.0 20A2411 - 11.1 20C69


External links
http://support.apple.com/en-us/HT212147


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