Vulnerability Report

CVE-2019-9578

Title: Yubico Libu2F-Host Injection (SQLi/OSi)

SQLi

Proof Of Concept

No public PoC currently indexed for CVE-2019-9578.

CWE Category CWE-908

Published Date Mar 05, 2019

Modified Date Jun 17, 2026

Exploit Status Not Found

Score 7.5 CVSS v3.0

Exploit Probability (EPSS)

2.30%

Vulnerability Summary

CVE-2019-9578: In devs.c in Yubico libu2f-host before 1.1.8, the response to init is misparsed, leaking uninitialized stack memory back to the device.

Impacted Vendors

yubico 1

Reference Links

http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00012.html http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00018.html https://blog.inhq.net/posts/yubico-libu2f-host-vuln-part2/ https://developers.yubico.com/libu2f-host/Release_Notes.html https://github.com/Yubico/libu2f-host/commit/e4bb58cc8b6202a421e65f8230217d8ae6e16eb5 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GMA4H6AZFYIR3LA5VKKEJZNCCIVMUCFQ/ https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S4YCFMSNMXZ7XC4U6WXPQA7JCXC6VOAJ/ https://security.gentoo.org/glsa/202004-15 http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00012.html http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00018.html https://blog.inhq.net/posts/yubico-libu2f-host-vuln-part2/ https://developers.yubico.com/libu2f-host/Release_Notes.html https://github.com/Yubico/libu2f-host/commit/e4bb58cc8b6202a421e65f8230217d8ae6e16eb5 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GMA4H6AZFYIR3LA5VKKEJZNCCIVMUCFQ/ https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S4YCFMSNMXZ7XC4U6WXPQA7JCXC6VOAJ/ https://security.gentoo.org/glsa/202004-15

CVSS v3.0

Source Entity [email protected]

Severity HIGH

7.5

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

5.0

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:L/Au:N/C:N/I:N/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2019-9578 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

June 17, 2026 MODIFIED

Vulnerability data updated via NVD.

November 21, 2024 MODIFIED

Vulnerability data or affected products updated.

March 05, 2019 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


                                    CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Stack

No specific products linked.