CVE-2021-43399

The Yubico YubiHSM YubiHSM2 library 2021.08, included in the yubihsm-shell project, does not properly validate the length of some operations including SSH signing requests, and some data operations received from a YubiHSM 2 device.

Score

CVSS 3.1 7.5 High

Status

Modified - cve@mitre.org

Published

2021-12-08

Last modified

2024-08-04

Weaknesses

CWE-787

Affected products

• Yubihsm 2 Software Development Kit (Yubico)

References

• https://blog.inhq.net/posts/yubico-yubihsm-shell-vuln3/
• https://www.yubico.com/support/security-advisories/ysa-2021-04/