Vulnerability Description
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.
CVSS Score
7.5
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Yubico | Libu2F-Host | < 1.1.8 |
Related Weaknesses (CWE)
References
- 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.htmlRelease NotesVendor Advisory
- https://github.com/Yubico/libu2f-host/commit/e4bb58cc8b6202a421e65f8230217d8ae6ePatchThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- 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.htmlRelease NotesVendor Advisory
- https://github.com/Yubico/libu2f-host/commit/e4bb58cc8b6202a421e65f8230217d8ae6ePatchThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
FAQ
What is CVE-2019-9578?
CVE-2019-9578 is a vulnerability with a CVSS score of 7.5 (HIGH). 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.
How severe is CVE-2019-9578?
CVE-2019-9578 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-9578?
Check the references section above for vendor advisories and patch information. Affected products include: Yubico Libu2F-Host.