CVE-2018-11020: Medium severity amazon fire os vulnerability

Published Oct 16, 2018
·
Updated

kernel/omap/drivers/rpmsg/rpmsgomx.c in the kernel component in Amazon Kindle Fire HD(3rd) Fire OS 4.5.5.3 allows attackers to inject a crafted argument via the argument of an ioctl on device file /dev/rpmsg-omx1 with the command 3221772291, and cause a kernel crash.

Affected Software

2 affected components
Amazon Fire OS=4.5.5.3
Amazon Kindle Fire HD=3

Event History

Oct 16, 2018
CVE Published
via MITRE·10:00 PM
Data Sourced
via MITRE·10:00 PM
Description
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Frequently Asked Questions

1

What is the severity of CVE-2018-11020?

The severity of CVE-2018-11020 is medium with a CVSS score of 4.4.

2

What is the affected software of CVE-2018-11020?

The affected software of CVE-2018-11020 is Amazon Kindle Fire HD (3rd) with Fire OS version 4.5.5.3.

3

How does CVE-2018-11020 allow attackers to cause a kernel crash?

Attackers can cause a kernel crash by injecting a crafted argument via the ioctl command on the device file /dev/rpmsg-omx1 with the command 3221772291.

4

Is Amazon Kindle Fire HD (3rd) vulnerable to CVE-2018-11020?

No, Amazon Kindle Fire HD (3rd) is not vulnerable to CVE-2018-11020.

5

Is there any reference available for CVE-2018-11020?

Yes, you can refer to the following links for more information: [Link 1](https://github.com/datadancer/HIAFuzz/blob/master/CVE-2018-11020.md), [Link 2](https://github.com/datadancer/HIAFuzz/blob/master/CVE-Advisory.md).

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