Man-in-the-middle attack in macOS - CVE-2018-4221

 

Man-in-the-middle attack in macOS - CVE-2018-4221

Published: June 4, 2018


Vulnerability identifier: #VU13172
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-4221
CWE-ID: CWE-300
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Apple Inc.
Affected software:
macOS

Detailed vulnerability description

The vulnerability allows a remote attacker to conduct man-in-the-middle attack on the target system.

The vulnerability exists due to a flaw in the Security component in the handling of S-MIME client certificates. A remote attacker can conduct man-in-the-middle attack, intercept of the communication channel between the affected app and track the target user.


How to mitigate CVE-2018-4221

Update to version 10.13.4.

Sources