Vault's LDAP Auth Method Allows for User Enumeration
CVE-2023-3462

5.3MEDIUM

Key Information:

Vendor
Hashicorp
Status
Vault
Vault Enterprise
Vendor
CVE Published:
31 July 2023

Summary

HashiCorp's Vault and Vault Enterprise are vulnerable to user enumeration when using the LDAP auth method. An attacker may submit requests of existent and non-existent LDAP users and observe the response from Vault to check if the account is valid on the LDAP server. This vulnerability is fixed in Vault 1.14.1 and 1.13.5.

Affected Version(s)

Vault Enterprise Windows 1.13.0 <= 1.13.4

Vault Enterprise Windows 1.14.0

Vault Windows 1.13.0 <= 1.13.4

References

https://discuss.hashicorp.com/t/hcsec-2023-24-vaults-ldap...

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Jared Johnstone
.