#VU15657 Resource exhaustion in Apple iOS - CVE-2018-4409

Vulnerability identifier: #VU15657

Vulnerability risk: Low

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-4409

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 resource exhaustion in Webkit component when handling malicious input. A remote attacker can trick the victim into visiting a specially crafted website, consume excessive resources and cause the service to crash.

Mitigation
Update to version 12.1.

Vulnerable software versions

Apple iOS: 12.0 16A366 - 12.0.1 16A404

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External links
https://support.apple.com/en-gb/HT209192

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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.