Vault SSH secrets engine vulnerability: unauthorized access via SSH certificates

CVE-2024-7594
7.5HIGH

Key Information

Vendor
Hashicorp
Status
Vault
Vault Enterprise
Vendor
CVE Published:
26 September 2024

Summary

Vault’s SSH secrets engine did not require the valid_principals list to contain a value by default. If the valid_principals and default_user fields of the SSH secrets engine configuration are not set, an SSH certificate requested by an authorized user to Vault’s SSH secrets engine could be used to authenticate as any user on the host. Fixed in Vault Community Edition 1.17.6, and in Vault Enterprise 1.17.6, 1.16.10, and 1.15.15.

Affected Version(s)

Vault < 1.17.6

Vault Enterprise < 1.17.6

CVSS V3.1

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

Timeline

  • Vulnerability published.

  • Vulnerability Reserved.

Collectors

NVD DatabaseMitre Database
.