VDB
CVE-2018-20340
CVE-2018-20340
PUBLISHED
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 0.17% · 38.4th percentile
Risk Scores
EPSS Score
0.17%
38.4th 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 |
Exploit Intelligence
- https://seclists.org/bugtraq/2019/Feb/23 (circl)
- https://www.debian.org/security/2019/dsa-4389 (circl)
- https://www.yubico.com/support/security-advisories/ysa-2019-01/ (circl)
- https://developers.yubico.com/libu2f-host/Release_Notes.html (circl)
- https://blog.inhq.net/posts/yubico-libu2f-host-vuln-part1/ (circl)
- GLSA-202004-15 (circl)
Timeline
- Feb 8, 2019 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Dec 27, 2021 EPSS Score
- Feb 28, 2022 EPSS Score
- May 2, 2022 EPSS Score
- Jul 3, 2022 EPSS Score
- Sep 5, 2022 EPSS Score
- Nov 6, 2022 EPSS Score
- Jan 8, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2018-20340 third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2018-20340 third-party-advisory