Buffer Mismanagement in Yubico's libu2f-host Affects Device Security
CVE-2019-9578

7.5HIGH

Key Information:

Vendor

Yubico

Status
Libu2f-host
Vendor
CVE Published:
5 March 2019

What is CVE-2019-9578?

A vulnerability in Yubico's libu2f-host prior to version 1.1.8 involves improper parsing of the init response, which leads to the leakage of uninitialized stack memory back to the connected device. This issue can potentially expose sensitive information and create security weaknesses in the device's data handling processes.

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References

https://developers.yubico.com/libu2f-host/Release_Notes.html
x_refsource_MISC
https://github.com/Yubico/libu2f-host/commit/e4bb58cc8b62...
x_refsource_MISC
https://lists.fedoraproject.org/archives/list/package-ann...
vendor-advisoryx_refsource_FEDORA

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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