Vulnerability identifier: #VU56751

Vulnerability risk: High

CVSSv3.1: 7 [CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-29622

CWE-ID: CWE-362

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
macOS
Operating systems & Components / Operating system

Vendor: Apple Inc.

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to a race condition within the OS kernel subsystem when mounting a malicious NFT network share. A remote attacker can trick the victim to mount a specially crafted NFS share, trigger a race condition and execute arbitrary code with system privileges.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

macOS: 10.15 19A583 - 10.15.7 19H1323

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External links
http://support.apple.com/en-us/HT212805

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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