CVE-2017-11122: Infoleak

Published Sep 19, 2017
·
Updated

On Broadcom BCM4355C0 Wi-Fi chips 9.44.78.27.0.1.56, an attacker can trigger an information leak due to insufficient length validation, related to ICMPv6 router advertisement offloading.

Other sources

Wi-Fi. A validation issue was addressed with improved input sanitization.

Credit

Gal Beniamini(Google Project Zero)

Affected Software

6 affected componentsFixes available
Apple tvOS<11
11
Apple iOS<11
11
Broadcom Bcm4355c0 Firmware<=9.44.78.27.0.1.56
Broadcom BCM4355C0
Apple iPhone OS<=10.3.3
Apple tvOS<=10.2.2

Event History

Oct 4, 2017
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the vulnerability ID?

The vulnerability ID is CVE-2017-11122.

2

What is the severity of CVE-2017-11122?

The severity of CVE-2017-11122 is high with a severity value of 7.5.

3

What is the description of CVE-2017-11122?

CVE-2017-11122 is a validation issue that was addressed with improved input sanitization in Wi-Fi. It can lead to an information leak due to insufficient length validation in Broadcom BCM4355C0 Wi-Fi chips 9.44.78.27.0.1.56, specifically related to ICMPv6 router advertisement offloading.

4

How does CVE-2017-11122 affect Apple devices?

For Apple devices, iOS versions up to 10.3.3 and tvOS versions up to 10.2.2 are affected by CVE-2017-11122. Apple has provided a remedy with the release of iOS 11 and tvOS 11.

5

Where can I find more information about CVE-2017-11122?

You can find more information about CVE-2017-11122 at the following references: - [Packet Storm Security](http://packetstormsecurity.com/files/144461/Broadcom-ICMPv6-Information-Leak.html) - [Chromium Project Zero](https://bugs.chromium.org/p/project-zero/issues/detail?id=1300) - [Apple Support](https://support.apple.com/HT208112)

Contact

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