#VU13132 Improper input validation in Apple iOS - CVE-2018-4250

Vulnerability identifier: #VU13132

Vulnerability risk: Low

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-4250

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 cause DoS condition on the target system.

The vulnerability exists due to a validation flaw in the Messages component. A remote attacker can send a specially crafted message and cause the service to crash.

Mitigation
Update to version 11.4.

Vulnerable software versions

Apple iOS: 11.3 - 11.3.1

---

External links
https://support.apple.com/en-us/HT208848

---

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.