CVE-2018-4221

Apple Security Advisory 2018-06-01-1

Severity Score

7.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

An issue was discovered in certain Apple products. iOS before 11.4 is affected. macOS before 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.

Se ha descubierto un problema en ciertos productos Apple. Se han visto afectadas las versiones de iOS anteriores a la 11.4 y las versiones de macOS anteriores a la 10.13.5. El problema implica el componente "Security". Permite que los sitios web rastreen usuarios aprovechando la transmisión de certificados de cliente S/MIME.

macOS High Sierra 10.13.5, Security Update 2018-003 Sierra, and Security Update 2018-003 El Capitan are now available and address buffer overflow, code execution, and denial of service vulnerabilities.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2018-01-02 CVE Reserved
2018-06-01 CVE Published
2024-08-05 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

CAPEC

References (4)

URL	Tag	Source
http://www.securityfocus.com/bid/104897	Third Party Advisory
http://www.securitytracker.com/id/1041027	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://support.apple.com/HT208848	2019-03-08
https://support.apple.com/HT208849	2019-03-08

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Apple Search vendor "Apple"		Iphone Os Search vendor "Apple" for product "Iphone Os"				< 11.4 Search vendor "Apple" for product "Iphone Os" and version " < 11.4"		-		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				< 10.13.5 Search vendor "Apple" for product "Mac Os X" and version " < 10.13.5"		-		Affected