Published: 08/06/2018 Updated: 08/03/2019

CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10

CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9

VMScore: 445

Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N

An issue exists in certain Apple products. iOS prior to 11.4 is affected. macOS prior to 10.13.5 is affected. The issue involves the "Security" component. It allows web sites to track users by leveraging the transmission of S/MIME client certificates.

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apple iphone os
apple mac os x

Full Disclosure mailing list archives   By Date By Thread </form>    APPLE-SA-2018-7-23-2 Additional information for APPLE-SA-2018-06-01-1 macOS High Sierra 10135, Security Update 2018-0 ...

CWE-200 https://support.apple.com/HT208849 https://support.apple.com/HT208848 http://www.securitytracker.com/id/1041027 http://www.securityfocus.com/bid/104897 https://nvd.nist.gov http://seclists.org/fulldisclosure/2018/Jul/79

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CVE-2018-4221

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