CVE-2019-9578

high

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.

References

https://security.gentoo.org/glsa/202004-15

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S4YCFMSNMXZ7XC4U6WXPQA7JCXC6VOAJ/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GMA4H6AZFYIR3LA5VKKEJZNCCIVMUCFQ/

https://github.com/Yubico/libu2f-host/commit/e4bb58cc8b6202a421e65f8230217d8ae6e16eb5

https://developers.yubico.com/libu2f-host/Release_Notes.html

https://blog.inhq.net/posts/yubico-libu2f-host-vuln-part2/

http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00018.html

http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00012.html

Details

Source: Mitre, NVD

Published: 2019-03-05

Updated: 2024-11-21

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

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

Severity: High