Vulnerability identifier: #VU11426

Vulnerability risk: Low

CVSSv3.1: 5.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-13890

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
macOS
Operating systems & Components / Operating system

Vendor: Apple Inc.

Description
The vulnerability allows a remote attacker to bypass security restrictions on the target system.

The weakness exists due to an input validation flaw. A remote attacker can create specially crafted HTML that, when loaded by the target user, will exploit a logic error in the CoreTypes component and cause a disk image to be mounted on the target user's system.

Mitigation
Update to version 10.13.4.

Vulnerable software versions

macOS: 10.13 17A365 - 10.13.3 17D47

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External links
http://support.apple.com/en-us/HT208692

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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 Internet.

Is there known malware, which exploits this vulnerability?

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