CVE-2017-7088: High severity Apple iOS and iPadOS vulnerability

Published Sep 19, 2017
·
Updated

Exchange ActiveSync. A validation issue existed in AutoDiscover V1.  This was addressed by requiring TLS for AutoDiscover V1. AutoDiscover V2 is now supported.

Other sources

An issue was discovered in certain Apple products. iOS before 11 is affected. The issue involves the "Exchange ActiveSync" component. It allows remote attackers to erase a device in opportunistic circumstances by hijacking a cleartext AutoDiscover V1 session during the setup of an Exchange account.

Credit

Ilya Nesterov, Maxim Goncharov

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.

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Frequently Asked Questions

1

What is CVE-2017-7088?

CVE-2017-7088 is a vulnerability that affects certain Apple products running iOS before version 11. It is a validation issue in AutoDiscover V1, specifically in the Exchange ActiveSync component.

2

How does CVE-2017-7088 impact Apple devices?

CVE-2017-7088 allows remote attackers to erase a device by hijacking a cleartext AutoDiscover V1 session during the setup of an Exchange account.

3

Which Apple products are affected by CVE-2017-7088?

Apple iPhone devices running iOS version up to and including 10.3.3, and devices running Apple iOS up to but not including version 11 are affected.

4

What is the severity of CVE-2017-7088?

CVE-2017-7088 has a severity rating of high, with a score of 5.9.

5

How can I mitigate CVE-2017-7088 on my Apple device?

To mitigate CVE-2017-7088, it is recommended to update your Apple device to iOS version 11 or newer.

Contact

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