CVE-2017-7139: Infoleak

Published Sep 19, 2017
·
Updated

Phone. A timing issue existed in the handling of locking. This issue was addressed by disabling screenshots while locking.

Other sources

An issue was discovered in certain Apple products. iOS before 11 is affected. The issue involves the "Phone" component. It allows attackers to obtain sensitive information by leveraging a timing bug to read a secure-content screenshot that occurred during a locking action.

Credit

an anonymous researcher

Affected Software

2 affected componentsFixes available
Apple iOS and iPadOS<11
11
iPhone OS<=10.3.3

Event History

Oct 23, 2017
CVE Published
via MITRE·01:00 AM
Data Sourced
via MITRE·01:00 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-2017-7139?

CVE-2017-7139 is a vulnerability that affects certain Apple products, specifically iOS before version 11.

2

What is the severity of CVE-2017-7139?

The severity of CVE-2017-7139 is low, with a severity value of 2.4.

3

How does CVE-2017-7139 work?

CVE-2017-7139 is a timing issue that occurs in the handling of locking in the "Phone" component of iOS, allowing attackers to obtain sensitive information by using a timing bug.

4

How can I fix CVE-2017-7139?

To fix CVE-2017-7139, you need to update your Apple device to iOS version 11 or higher.

5

Where can I find more information about CVE-2017-7139?

You can find more information about CVE-2017-7139 on the securityfocus.com, support.apple.com, and support.apple.com/en-us websites.

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