Memory Disclosure Vulnerability in YubiHSM 2 SDK by Yubico
CVE-2023-39908

7.5HIGH

Key Information:

Vendor

Yubico

Status
Yubihsm 2 Sdk
Vendor
CVE Published:
14 August 2023

What is CVE-2023-39908?

The PKCS11 module of YubiHSM 2 SDK prior to version 2023.01 is vulnerable due to inadequate validation of read operation lengths for object metadata. This oversight can lead to the disclosure of uninitialized memory or previously used memory, potentially exposing sensitive information. It is crucial for users of the YubiHSM 2 SDK to apply necessary patches and updates to mitigate risks associated with this vulnerability.

References

https://www.yubico.com/support/security-advisories/ysa-20...
https://blog.inhq.net/posts/yubico-yubihsm-pkcs-vuln/

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.