cvedb.io
CVE-2018-20340
MEDIUM · CVSS 6.8
EPSS exploitation probability: 0%
Published 2019-03-21T16:00:35.983 · Last modified 2026-06-17T01:52:39.347

Summary

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.

Affected products

yubico — libu2f-host

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.