Vault's Transit Secrets Engine Allowed Nonce Specified without Convergent Encryption

CVE-2023-4680
6.8MEDIUM

Key Information

Vendor
Hashicorp
Status
Vault
Vault Enterprise
Vendor
CVE Published:
15 September 2023

Summary

HashiCorp Vault and Vault Enterprise transit secrets engine allowed authorized users to specify arbitrary nonces, even with convergent encryption disabled. The encrypt endpoint, in combination with an offline attack, could be used to decrypt arbitrary ciphertext and potentially derive the authentication subkey when using transit secrets engine without convergent encryption. Introduced in 1.6.0 and fixed in 1.14.3, 1.13.7, and 1.12.11.

Affected Version(s)

Vault < 1.14.3

Vault < 1.13.7

Vault < 1.12.11

CVSS V3.1

Score:
6.8
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published.

  • Vulnerability Reserved.

Collectors

NVD DatabaseMitre Database
.