#VU3573 Information disclosure in Apple iOS and macOS - CVE-2016-4655

Vulnerability identifier: #VU3573

Vulnerability risk: Critical

CVSSv4.0: 8.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N/E:A/U:Red]

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: 10.10 - 10.11.5

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

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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?

Yes. This vulnerability is being exploited in the wild.