CVE-2017-7172: Buffer Overflow

Published Dec 2, 2017
·
Updated

CFNetwork Session. A memory corruption issue was addressed with improved memory handling.

Other sources

An issue was discovered in certain Apple products. iOS before 11.2 is affected. macOS before 10.13.2 is affected. iCloud before 7.2 on Windows is affected. iTunes before 12.7.2 on Windows is affected. tvOS before 11.2 is affected. watchOS before 4.2 is affected. The issue involves the "CFNetwork Session" component. It allows attackers to execute arbitrary code in a privileged context or cause a denial of service (memory corruption) via a crafted app.

Credit

Richard Zhu (fluorescence)(Trend Micro), Richard Zhu (fluorescence)(Trend Micro), Richard Zhu (fluorescence)(Trend Micro), Richard Zhu (fluorescence)(Trend Micro), Richard Zhu (fluorescence)(Trend Micro)

Affected Software

14 affected componentsFixes available
Apple tvOS<11.2
11.2
Apple macOS High Sierra<10.13.2
10.13.2
Apple Sierra
Apple El Capitan
Apple WatchOS<4.2
4.2
Apple iTunes for Windows<12.7.2
12.7.2
Apple iOS<11.2
11.2
Apple iPhone OS<11.2
Apple iOS and macOS<10.13.2
Apple tvOS<11.2
Apple WatchOS<4.2
Apple iCloud<7.2
Microsoft Windows
Apple iTunes<12.7.2

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.

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Frequently Asked Questions

1

What is CVE-2017-7172?

CVE-2017-7172 is a vulnerability that affects certain Apple products including iOS, macOS, iCloud, iTunes, tvOS, and watchOS.

2

How severe is CVE-2017-7172?

CVE-2017-7172 has a severity rating of 7.8, which is classified as critical.

3

Which Apple products are affected by CVE-2017-7172?

iOS before 11.2, macOS before 10.13.2, iCloud before 7.2 on Windows, iTunes before 12.7.2 on Windows, tvOS before 11.2, and watchOS before 4.2 are affected by CVE-2017-7172.

4

How can I fix CVE-2017-7172?

To fix CVE-2017-7172, update your Apple devices to the latest available version of iOS, macOS, iCloud, iTunes, tvOS, or watchOS.

5

Where can I find more information about CVE-2017-7172?

You can find more information about CVE-2017-7172 on the official Apple support website. Here are some references: [link1](https://support.apple.com/HT208325), [link2](https://support.apple.com/HT208326), [link3](https://support.apple.com/HT208327).

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