Vulnerability identifier: #VU13817

Vulnerability risk: Low

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-4273

CWE-ID: CWE-119

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 cause DoS condition on the target system.

The vulnerability exists due to boundary error when handling malicious input. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and cause the service to crash.

Mitigation
Update to version 11.4.1.

Vulnerable software versions

Apple iOS: 11.4, 11.3 - 11.3.1, 11.1 - 11.1.2, 11.2 - 11.2.6, 11.0.0 - 11.0.3

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External links
http://support.apple.com/en-us/HT208938

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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.