#VU10213 Security restrictions bypass in Apple iOS - CVE-2018-4086

Vulnerability identifier: #VU10213

Vulnerability risk: Low

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-4086

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Apple iOS
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 improper certificate evaluation issue in the handling of name constraints. A remote attacker can bypass security restrictions and cause the Security component to incorrectly apply certificate name constraints.

Mitigation
Update to version 11.2.5.

Vulnerable software versions

Apple iOS: 11.0.0 - 11.0.3, 11.1 - 11.1.1, 11.2

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External links
https://support.apple.com/en-us/HT208463

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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.