High severity · published Mar 5, 2019
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
7.5
CVSS
2.3%
EPSS
No
On KEV
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 vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.3% · higher than 83% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Libu2f-host · Yubico
before 1.1.8 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-9578
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-9578
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00012.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00018.html
blog.inhq.net
https://blog.inhq.net/posts/yubico-libu2f-host-vuln-part2/
Release Notes
https://developers.yubico.com/libu2f-host/Release_Notes.html
Patch
https://github.com/Yubico/libu2f-host/commit/e4bb58cc8b6202a421e65f8230217d8ae6e16eb5
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GMA4H6AZFYIR3LA5VKKEJZNCCIVMUCFQ/
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