Description
Yubico libu2f-host 1.1.6 contains unchecked buffers in devs.c, which could enable a malicious token to exploit a buffer overflow. An attacker could use this to attempt to execute malicious code using a crafted USB device masquerading as a security token on a computer where the affected library is currently in use. It is not possible to perform this attack with a genuine YubiKey.
Published: 2019-03-17
Score: 6.8 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Tracking

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-4389-1 libu2f-host security update
EUVD EUVD EUVD-2018-12898 Yubico libu2f-host 1.1.6 contains unchecked buffers in devs.c, which could enable a malicious token to exploit a buffer overflow. An attacker could use this to attempt to execute malicious code using a crafted USB device masquerading as a security token on a computer where the affected library is currently in use. It is not possible to perform this attack with a genuine YubiKey.
History

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Subscriptions

Debian Debian Linux
Yubico Libu2f-host
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-05T11:58:18.796Z

Reserved: 2018-12-21T00:00:00.000Z

Link: CVE-2018-20340

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2019-03-21T16:00:35.983

Modified: 2024-11-21T04:01:16.463

Link: CVE-2018-20340

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses