Vulnerability · Published Jul 31, 2023 · Assigned by HashiCorp
CVE-2023-3462Vault's LDAP Auth Method Allows for User Enumeration
Medium 5.3
In plain English
A medium-severity security flaw in Vault from HashiCorp. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 50% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
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 packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Go | github.com/hashicorp/vault | 1.13.5, 1.14.1 | GO-2023-1986 |
| Go | github.com/hashicorp/vault | 1.13.5 | GHSA-9v3w-w2jh-4hff |
| Go | github.com/hashicorp/vault | 1.14.1 | GHSA-9v3w-w2jh-4hff |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| HashiCorp | Vault | 1.13.0 – through 1.13.41.14.0 |
| HashiCorp | Vault Enterprise | 1.13.0 – through 1.13.41.14.0 |
Weakness: CWE-203 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N