Vulnerability identifier: #VU10212

Vulnerability risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-4100

CWE-ID: CWE-400

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 weakness exists due to input validation flaw in the LinkPresentation component. A remote attacker can send a specially crafted text message, consume all available resources and cause the application to crash.

Mitigation
Update to version 11.2.5.

Vulnerable software versions

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

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External links
http://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.