Vulnerability identifier: #VU3573

Vulnerability risk: Critical

CVSSv3.1: 8.2 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L/E:H/RL:O/RC:C]

CVE-ID: CVE-2016-4655

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Apple iOS
Operating systems & Components / Operating system
macOS
Operating systems & Components / Operating system

Vendor: Apple Inc.

Description
The vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.

The weakness exists due to improper input validation. A remote attacker can run a specially crafted application, bypass security restrictions and obtain portions of kernel memory.

Successful exploitation of the vulnerability results in information disclosure on the vulnerable system.

Note: the vulnerability was being actively exploited.

Mitigation
Update Apple iOS to version 9.3.5.
Update MAC OS X to version 10.11.6.

Vulnerable software versions

Apple iOS: 10.0.0

macOS: 10.11 - 10.11.5, 10.10 - 10.10.4

---

External links
http://support.apple.com/en-us/HT207107
http://support.apple.com/en-us/HT207130

---

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?

Yes. This vulnerability is being exploited in the wild.