CVE-2017-7086: High severity Apple tvOS vulnerability

Published Sep 19, 2017
·
Updated

An issue was discovered in certain Apple products. iOS before 11 is affected. macOS before 10.13 is affected. tvOS before 11 is affected. watchOS before 4 is affected. The issue involves the "libc" component. It allows remote attackers to cause a denial of service (resource consumption) via a crafted string that is mishandled by the glob function.

Other sources

libc. A resource exhaustion issue in glob() was addressed through an improved algorithm.

Credit

Russ Cox(Google)

Affected Software

8 affected componentsFixes available
Apple tvOS<11
11
Apple macOS High Sierra<10.13
10.13
Apple WatchOS<4
4
Apple iOS<11
11
Apple iPhone OS<=10.3.3
Apple iOS and macOS<=10.12.6
Apple tvOS<=10.2.2
Apple WatchOS<=3.2.3

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.

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

What is CVE-2017-7086?

CVE-2017-7086 is a vulnerability in the libc component of certain Apple products that allows remote attackers to cause a denial of service through resource consumption.

2

Which Apple products are affected by CVE-2017-7086?

iOS before version 11, macOS before version 10.13, tvOS before version 11, and watchOS before version 4 are affected by CVE-2017-7086.

3

What is the severity of CVE-2017-7086?

CVE-2017-7086 has a severity rating of 7.5 (high).

4

How can CVE-2017-7086 be exploited?

CVE-2017-7086 can be exploited by remote attackers to cause a denial of service through resource consumption.

5

How can I protect my Apple device from CVE-2017-7086?

To protect your Apple device from CVE-2017-7086, make sure to update to the latest iOS, macOS, tvOS, or watchOS version.

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