CVE-2018-4123: An issue was discovered in certain Apple products. iOS before 11.3 is affected. The issue involves alarm and timer handling in the "Clock" component. ...

Description

An issue was discovered in certain Apple products. iOS before 11.3 is affected. The issue involves alarm and timer handling in the "Clock" component. It allows physically proximate attackers to discover the iTunes e-mail address.

Metrics

EPSS Probability

0.38%

29.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions
Apple	Iphone Os	< 11.3

References

http://www.securityfocus.com/bid/103578Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040604Third Party Advisory, VDB Entry
https://support.apple.com/HT208693Vendor Advisory
http://www.securityfocus.com/bid/103578Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040604Third Party Advisory, VDB Entry
https://support.apple.com/HT208693Vendor Advisory

Timeline

Published: Apr 3, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-4123?

An issue was discovered in certain Apple products. iOS before 11.3 is affected. The issue involves alarm and timer handling in the "Clock" component. It allows physically proximate attackers to discover the iTunes e-mail address.

How severe is CVE-2018-4123?

Severity scoring for CVE-2018-4123 is pending analysis. The EPSS model estimates a 0.38% probability of exploitation in the next 30 days.

How do I fix CVE-2018-4123?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

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