CVE-2019-9578: High severity yubico libu2f-host vulnerability

Published Mar 5, 2019
·
Updated

In devs.c in Yubico libu2f-host before 1.1.8, the response to init is misparsed, leaking uninitialized stack memory back to the device.

Affected Software

1 affected component
Yubico libu2f-host<1.1.8

Event History

Mar 5, 2019
CVE Published
via MITRE·11:00 PM
Data Sourced
via MITRE·11:00 PM
Description
Data Sourced
via NVD·11:29 PM
RemedyDescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is CVE-2019-9578?

CVE-2019-9578 is a vulnerability in Yubico libu2f-host before version 1.1.8 that allows uninitialized stack memory to be leaked back to the device.

2

How does CVE-2019-9578 affect Yubico libu2f-host?

CVE-2019-9578 affects Yubico libu2f-host before version 1.1.8.

3

What is the severity of CVE-2019-9578?

The severity of CVE-2019-9578 is high with a CVSS score of 7.5.

4

How can I fix CVE-2019-9578?

To fix CVE-2019-9578, update Yubico libu2f-host to version 1.1.8 or later.

5

Where can I find more information about CVE-2019-9578?

You can find more information about CVE-2019-9578 in the following references: [link1](http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00012.html), [link2](http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00018.html), [link3](https://blog.inhq.net/posts/yubico-libu2f-host-vuln-part2/).

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