VDB
CVE-2018-20340
CVE-2018-20340
PUBLISHED
CVSS 6.800000190734863 MEDIUM
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.
EPSS 0.50% · 41.9th percentile
Risk Scores
CVSS 3.0
6.800000190734863
CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
0.50%
41.9th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:18.04:LTS | libu2f-host | 1.1.3-1, 1.1.4-1, 0 |
| Ubuntu:16.04:LTS | libu2f-host | 0, 1.0.0-1, 0.0.4-1 |
Timeline
- Feb 8, 2019 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 24, 2021 EPSS Score
- Aug 26, 2021 EPSS Score
- Oct 29, 2021 EPSS Score
- Dec 31, 2021 EPSS Score
- Mar 5, 2022 EPSS Score
- May 7, 2022 EPSS Score
- Jul 10, 2022 EPSS Score
- Sep 12, 2022 EPSS Score
- Nov 15, 2022 EPSS Score
- Jan 17, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2018-20340 advisory
- https://www.cve.org/CVERecord?id=CVE-2018-20340 third-party-advisory