An issue was discovered in certain Apple products. iCloud before 6.2 on Windows is affected. iTunes before 12.6 on Windows is affected. The issue involves cleartext client-certificate transmission in the "APNs Server" component. It allows man-in-the-middle attackers to track users via correlation with this certificate.
http://www.securityfocus.com/bid/97175
http://www.securitytracker.com/id/1038157
Source: MITRE
Published: 2017-04-02
Updated: 2017-07-12
Type: NVD-CWE-Other
Base Score: 3.5
Vector: AV:N/AC:M/Au:S/C:P/I:N/A:N
Impact Score: 2.9
Exploitability Score: 6.8
Severity: LOW
Base Score: 3.1
Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
Impact Score: 1.4
Exploitability Score: 1.6
Severity: LOW