CVE-2019-8645 Information

Description

An issue existed in the handling of encrypted Mail. This issue was addressed with improved isolation of MIME in Mail. This issue is fixed in macOS Mojave 10.14.4 Security Update 2019-002 High Sierra Security Update 2019-002 Sierra. An attacker in a privileged network position may be able to intercept the contents of S/MIME-encrypted e-mail.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Reference

https://support.apple.com/en-us/HT209600

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

6.5