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

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

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

No history.

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