Security Alert (A18-04-09): Multiple Vulnerabilities in Apple iOS

Description:

On 24 April 2018, Apple released security updates in its latest iOS version 11.3.1 to fix 4 vulnerabilities identified in various iOS devices. These vulnerabilities could be exploited by enticing a user to open a specially crafted text message, application or access a malicious website.

Affected Systems:

• iPhone 5s and later
• iPad Air and later
• iPod touch (6th generation)

Impact:

A successful attack could lead to arbitrary code execution, elevation of privilege or spoofing.

Recommendation:

The product vendor has released iOS 11.3.1 to address the issues.

The updates can be obtained through the auto-update mechanism. Users of affected systems should follow the recommendations provided by the product vendor and take immediate actions to mitigate the risk.

More Information:

https://support.apple.com/en-hk/HT208743
https://www.hkcert.org/my_url/en/alert/18042501
https://www.us-cert.gov/ncas/current-activity/2018/04/24/Apple-Releases-Multiple-Security-Updates
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4187
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4200
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4204
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4206