Inconsistent User Interface in Apple Mail Allows Reading of S/MIME Encrypted Messages

CVE-2018-4174 · MEDIUM Severity

AV:N/AC:M/AU:N/C:P/I:N/A:N

An issue was discovered in certain Apple products. iOS before 11.3 is affected. 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 messages by leveraging an inconsistency in the user interface.

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