CVE-2018-4123: Infoleak

Published Mar 29, 2018
·
Updated

Clock. An information disclosure issue existed in the handling of alarms and timers. This issue was addressed with improved access restrictions.

Other sources

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.

Credit

Zaheen Hafzar M M@@zaheenhafzer

Affected Software

2 affected componentsFixes available
Apple iOS and iPadOS<11.3
11.3
iPhone OS<11.3

Event History

Apr 3, 2018
CVE Published
via MITRE·06:00 AM
Data Sourced
via MITRE·06:00 AM
Description

Parent advisories

This vulnerability appears in the following advisories.

Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is CVE-2018-4123?

CVE-2018-4123 is an information disclosure vulnerability in certain Apple products, specifically iOS before 11.3.

2

How does CVE-2018-4123 affect Apple products?

CVE-2018-4123 affects the "Clock" component of iOS before 11.3.

3

What is the severity of CVE-2018-4123?

CVE-2018-4123 has a severity score of 2.4, which is considered low.

4

How can physically proximate attackers exploit CVE-2018-4123?

Physically proximate attackers can exploit CVE-2018-4123 to discover the iTunes e-mail address of the targeted device.

5

How can I fix CVE-2018-4123?

To fix CVE-2018-4123, update your iOS to version 11.3 or later.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203