Vulnerability identifier: #VU12367

Vulnerability risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-4220

CWE-ID: CWE-264

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Swift
Universal components / Libraries / Scripting languages

Vendor: Apple Inc.

Description
The vulnerability allows a local attacker to gain elevated privileges on the target system.

The weakness exists in specific versions of Swift due to improper access and privileges permissions. A local attacker can load libraries with write and execute permissions to execute arbitrary code with administrative privileges.

Mitigation
Update to version 4.1.1.

Vulnerable software versions

Swift: 1.1 - 4.1

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External links
http://support.apple.com/en-us/HT208804

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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.