#VU11411 Information disclosure in Apple iOS - CVE-2018-4117

Vulnerability identifier: #VU11411

Vulnerability risk: Low

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

CVE-ID: CVE-2018-4117

CWE-ID: CWE-20

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 obtain potentially sensitive information on the target system.

The weakness exists due to input validation flaw in the WebKit component fetch API. A remote attacker can bypass cross-origin restrictions and obtain potentially sensitive information.

Mitigation
Update to version 11.3.

Vulnerable software versions

Apple iOS: 11.2 - 11.2.6

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External links
https://support.apple.com/en-us/HT208693

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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.