Vulnerability identifier: #VU1070

Vulnerability risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-4635

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

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

Vendor: Apple Inc.

Description
The vulnerability allows a remote authenticated user to disclose information.
The weakness exists due to improper processing of relayed call and allows attackers to cause audio transmission after call determination.
Successfull exploitation of the vulnerability results in disclosure of the valid user's personal information.

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

macOS: 10.11 - 10.11.5

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External links
http://support.apple.com/en-us/HT207271
http://support.apple.com/cs-cz/HT206903
http://support.apple.com/cs-cz/HT206902

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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?

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