Vulnerability Monitor

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CVE-2018-4086

An issue was discovered in certain Apple products. iOS before 11.2.5 is affected. macOS before 10.13.3 is affected. tvOS before 11.2.5 is affected. watchOS before 4.2.2 is affected. The issue involves the "Security" component. It allows remote attackers to spoof certificate validation via crafted name constraints.

Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 5.9, indicating it can be exploited remotely over the network but requires specific conditions to be met without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts integrity (unauthorized modifications), for affected systems. Impacting 4 products from apple, from apple, from apple and 1 other, organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2018, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2018-04-03T06:29:03.063

Last Modified

2024-11-21T04:06:43.173

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 5.9 (MEDIUM)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

8.6

Impact Score

2.9

Weaknesses

Type: Primary
CWE-295

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	apple	apple_tv	< 11.2.5	Yes
Operating System	apple	iphone_os	< 11.2.5	Yes
Operating System	apple	mac_os_x	< 10.13.3	Yes
Operating System	apple	watchos	< 4.2.2	Yes

References

http://www.securityfocus.com/bid/102782 Third Party Advisory, VDB Entry ([email protected])
http://www.securitytracker.com/id/1040265 Third Party Advisory, VDB Entry ([email protected])
http://www.securitytracker.com/id/1040267 Third Party Advisory, VDB Entry ([email protected])
https://support.apple.com/HT208462 Vendor Advisory ([email protected])
https://support.apple.com/HT208463 Vendor Advisory ([email protected])
https://support.apple.com/HT208464 Vendor Advisory ([email protected])
https://support.apple.com/HT208465 Vendor Advisory ([email protected])
http://www.securityfocus.com/bid/102782 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1040265 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1040267 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/HT208462 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/HT208463 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/HT208464 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/HT208465 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For apple's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.