CVE-2018-4166: Race Condition

Published Mar 29, 2018
·
Updated

An issue was discovered in certain Apple products. iOS before 11.3 is affected. macOS before 10.13.4 is affected. tvOS before 11.3 is affected. watchOS before 4.3 is affected. The issue involves the "NSURLSession" component. A race condition allows attackers to execute arbitrary code in a privileged context via a crafted app.

Other sources

NSURLSession. A race condition was addressed with additional validation.

Credit

Samuel Groß@@5aelo

Affected Software

10 affected componentsFixes available
Apple tvOS<11.3
11.3
Apple macOS High Sierra<10.13.4
10.13.4
Apple Sierra
Apple El Capitan
Apple WatchOS<4.3
4.3
Apple iOS<11.3
11.3
Apple iPhone OS<11.3
Apple iOS and macOS<10.13.4
Apple tvOS<11.3
Apple WatchOS<4.3

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.

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

What is the vulnerability ID?

The vulnerability ID is CVE-2018-4166.

2

Which Apple products are affected by CVE-2018-4166?

iOS before 11.3, macOS before 10.13.4, tvOS before 11.3, and watchOS before 4.3 are affected.

3

What is the severity of CVE-2018-4166?

The severity of CVE-2018-4166 is high.

4

How can an attacker exploit CVE-2018-4166?

An attacker can exploit CVE-2018-4166 by leveraging a race condition to execute arbitrary code in a privileged context.

5

How can I fix CVE-2018-4166?

To fix CVE-2018-4166, update to the latest available version of iOS, macOS, tvOS, or watchOS depending on the affected product.

Company

Resources

Contact

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CVE-2018-4166 - Race Condition - SecAlerts