Security Alert (A18-07-03): Multiple Vulnerabilities in Apple iOS

Description:

Apple has released security updates in its latest iOS version 11.4.1 to fix 22 vulnerabilities identified in various iOS devices. These vulnerabilities could be exploited by enticing a user to open a specially crafted application or visit a malicious website. An attacker with local access may also be able to exploit a kernel vulnerability and disclose the memory.

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, information disclosure, spoofing, sandbox escape or denial of service.

Recommendation:

The product vendor has released iOS 11.4.1 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/HT208938
https://www.hkcert.org/my_url/en/alert/18071001
https://www.us-cert.gov/ncas/current-activity/2018/07/09/Apple-Releases-Multiple-Security-Updates
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4248
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4260 (to CVE-4267)
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4270 (to CVE-4275)
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4277
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4278
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4280
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4282
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4284
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4290
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4293