Description
The PKCS11 module of the YubiHSM 2 SDK through 2023.01 does not properly validate the length of specific read operations on object metadata. This may lead to disclosure of uninitialized and previously used memory.
References (2)
Core 2
Core References
Various Sources
https://blog.inhq.net/posts/yubico-yubihsm-pkcs-vuln/
Patch, Vendor Advisory
https://www.yubico.com/support/security-advisories/ysa-2023-01/
Scores
CVSS v3
7.5
EPSS
0.0018
EPSS Percentile
39.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-125
Status
published
Products (1)
yubico/yubihsm_2_sdk
< 2023.08
Published
Aug 14, 2023
Tracked Since
Feb 18, 2026