CVE-2017-2376: High severity Apple iOS and iPadOS vulnerability

Published Mar 27, 2017
·
Updated

Safari. A state management issue was addressed by disabling text input until the destination page loads.

Other sources

An issue was discovered in certain Apple products. iOS before 10.3 is affected. Safari before 10.1 is affected. The issue involves the "Safari" component. It allows remote attackers to spoof the address bar by leveraging text input during the loading of a page.

Credit

an anonymous researcher, Michal Zalewski(Google Inc), Muneaki Nishimura (nishimunea)(Recruit Technologies Co), Ltd., Chris Hlady(Google Inc), Yuyang Zhou(Tencent Security Platform Department)

Affected Software

3 affected componentsFixes available
Apple iOS and iPadOS<10.3
10.3
Safari<=10.0.3
iPhone OS<=10.2.1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Apple iOS and iPadOS to a version that resolves this vulnerability.

    Fixed in 10.3
  2. Upgrade

    Upgrade Safari to a version that resolves this vulnerability.

    Fixed in 10.1
  3. Upgrade

    Upgrade Safari (iOS) to a version that resolves this vulnerability.

    Fixed in 10.3
  4. Configuration

    Mitigate the address-bar spoofing by disabling text input during page navigation/loading until the destination page has finished loading.

    Safari Disable text input until destination page loads = enabled

Event History

Apr 2, 2017
CVE Published
via MITRE·01:36 AM
Data Sourced
via MITRE·01:36 AM
Description
Data Sourced
via NVD·01:59 AM
DescriptionSeverityAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2017-2376?

CVE-2017-2376 has a medium severity rating, indicating a moderate risk of exploitation.

2

How do I fix CVE-2017-2376?

To resolve CVE-2017-2376, update your Safari browser to version 10.1 or later and iOS to version 10.3 or later.

3

Which versions of iOS are affected by CVE-2017-2376?

CVE-2017-2376 affects iOS versions prior to 10.3.

4

Which versions of Safari are affected by CVE-2017-2376?

CVE-2017-2376 affects Safari versions prior to 10.1.

5

What is the nature of the issue described in CVE-2017-2376?

CVE-2017-2376 is a state management issue that could allow remote attackers to spoof content in Safari.

Contact

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