Vulnerability identifier: #VU53262

Vulnerability risk: Low

CVSSv3.1: 4.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2020-27949

CWE-ID: CWE-264

Exploitation vector: Local

Exploit availability: Yes

Vulnerable software:
macOS
Operating systems & Components / Operating system

Vendor: Apple Inc.

Description

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

The vulnerability exists due to application does not properly impose security restrictions within the OS Kernel subsystem. A local user can run a specially crafted program to perform unexpected changes in memory belonging to processes traced by DTrace.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

macOS: 11.0 20A2411 - 11.0.1 20B50, 10.15 19A583 - 10.15.7 19H15, 10.14 18A391 - 10.14.6 18G6042

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External links
http://support.apple.com/en-us/HT212011

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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. However, proof of concept for this vulnerability is available.