CVE-2023-39908

HIGH EPSS 37.9%
Published Aug 14, 20232y ago · Modified Jun 17, 20262w ago
7.5 CVSS 3.1
High
Find Similar
Published Aug 14, 2023 2y ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity None
Availability None

Threat Intelligence

EPSS Exploit Probability
37.9% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-125 Out-of-bounds Read Memory Safety

Affected Products 1

VendorProductVersionRange
yubicoyubihsm_2_sdk* <2023.08

References 2

  • blog.inhq.net https://blog.inhq.net/posts/yubico-yubihsm-pkcs-vuln/
  • yubico.com https://www.yubico.com/support/security-advisories/ysa-2023-01/
    PatchVendor Advisory

Remediation

  • yubico.com https://www.yubico.com/support/security-advisories/ysa-2023-01/
    PatchVendor Advisory