CVE-2019-9578 : In devs.c in Yubico libu2f-host before 1.1.8, the response to init is misparsed,

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.

Published 2019-03-05 23:29:03

Updated 2020-08-24 17:37:01

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2019-9578

Yubico » Libu2f-host
Versions before (<) 1.1.8
cpe:2.3:a:yubico:libu2f-host:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

3.11%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 91 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:N/A:P	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
7.5	HIGH	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE-908 Use of Uninitialized Resource

The product uses or accesses a resource that has not been initialized.

Assigned by: nvd@nist.gov (Primary)

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