Vulnerability identifier: #VU50226

Vulnerability risk: Low

CVSSv3.1: 4 [CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-1753

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 user to crash the system.

The vulnerability exists due to a boundary condition when processing USB files in the Model I/O component in macOS. A local user can insert a specially crafted USB drive, trigger out-of-bounds read error and crash the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

macOS: 11.0 20A2411 - 11.1 20C69, 10.15 19A583 - 10.15.7 19H15, 10.14 18A391 - 10.14.6 18G84, 10.13 17A365 - 10.13.6 17G66, 10.12.4 16E195 - 10.12.6 16G1114, 10.3 7B85

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

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Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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