Base Score

HIGH7.5

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.

VectorNETWORK

Published Bycve@mitre.org

Published DateMar 05, 2019, 23:29

Weakness Type (CWE):CWE-908

CVSS Metrics

Base Score

7.5

Vector String

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

Base Severity

HIGH

Version

3.0

Attack Vector (AV)

NETWORK

Attack Complexity (AC)

LOW

Privileges Required (PR)

NONE

User Interaction (UI)

NONE

Scope (S)

UNCHANGED

Confidentiality (C)

NONE

Integrity (I)

NONE

Availability (A)

HIGH

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.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

Base Score

HIGH7.5

Weakness Type (CWE):CWE-908

CVSS Metrics

Base Score

7.5

Vector String

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

Base Severity

HIGH

Version

3.0

Attack Vector (AV)

NETWORK

Attack Complexity (AC)

LOW

Privileges Required (PR)

NONE

User Interaction (UI)

NONE

Scope (S)

UNCHANGED

Confidentiality (C)

NONE

Integrity (I)

NONE

Availability (A)

HIGH