Description

An issue was discovered in certain Apple products. macOS before 10.13.4 is affected. The issue involves the "Mail" component. It allows man-in-the-middle attackers to read S/MIME encrypted message content by sending HTML e-mail that references remote resources but lacks a valid S/MIME signature.

References

http://www.securityfocus.com/bid/103582

http://www.securitytracker.com/id/1040608

https://support.apple.com/HT208692

Details

Risk Information

CVSS v2

CVSS v3