Vulnerability identifier: #VU1073

Vulnerability risk: Low

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-4679

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

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

Vendor: Apple Inc.

Description
The vulnerability allows a remote authenticated user to modify information on the target system
The weakness exists due to improper path validation logic for symlinks and lets overwrite arbitrary files.
Successfull exploitation of the vulnerability results in modification of information on the vulnerable system.

Mitigation
Update to version 10.1.

Vulnerable software versions

Apple iOS: 10.0.0 - 10.0.1, 9.3.0 - 9.3.5, 9.1.0, 9.0.0 - 9.0.2

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External links
http://support.apple.com/en-us/HT207271

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.