#VU9671 Information disclosure in iCloud for Windows - CVE-2017-13864

Vulnerability identifier: #VU9671

Vulnerability risk: Low

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2017-13864

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
iCloud for Windows
Client/Desktop applications / Other client software

Vendor: Apple Inc.

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

The weakness exists due to a privacy issue in the use of client certificates. A remote attacker can obtain credentials and track the user's actions.

Mitigation
Update to version 7.2.

Vulnerable software versions

iCloud for Windows: 6.0.0 - 6.2.2

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External links
https://support.apple.com/en-us/HT208328

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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.