CVE-2023-3462: Vault's LDAP Auth Method Allows for User Enumeration
First published: Mon Jul 31 2023(Updated: )
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.
Credit: security@hashicorp.com security@hashicorp.com security@hashicorp.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| HashiCorp Vault | >=1.13.0<1.13.5 | |
| HashiCorp Vault | >=1.13.0<1.13.5 | |
| HashiCorp Vault | =1.14.0 | |
| HashiCorp Vault | =1.14.0 | |
| redhat/vault | <1.14.1 | 1.14.1 |
| redhat/vault | <1.13.5 | 1.13.5 |
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Reference Links
- https://nvd.nist.gov/vuln/detail/CVE-2023-3462
- https://discuss.hashicorp.com/t/hcsec-2023-24-vaults-ldap-auth-method-allows-for-user-enumeration/56714
- https://github.com/advisories/GHSA-9v3w-w2jh-4hff (Advisory)
- https://access.redhat.com/errata/RHSA-2023:6832
- https://access.redhat.com/errata/RHSA-2024:7599
- https://access.redhat.com/errata/RHSA-2024:7922
- https://bugzilla.redhat.com/show_bug.cgi?id=2228020
Frequently Asked Questions
What is CVE-2023-3462?
CVE-2023-3462 is a vulnerability in HashiCorp's Vault and Vault Enterprise that allows user enumeration when using the LDAP auth method.
How does the vulnerability in CVE-2023-3462 work?
The vulnerability in CVE-2023-3462 allows an attacker to submit requests of existent and non-existent LDAP users to Vault and observe the response to check if the account is valid on the LDAP server.
What is the severity of CVE-2023-3462?
The severity of CVE-2023-3462 is medium with a CVSS score of 5.3.
How do I fix CVE-2023-3462?
To fix CVE-2023-3462, ensure you are using Vault version 1.14.1 or Vault version 1.13.5.
Where can I find more information about CVE-2023-3462?
You can find more information about CVE-2023-3462 on the HashiCorp discussion forum, NIST NVD, and GitHub advisory page.
- collector/github-advisory
- alias/GHSA-9v3w-w2jh-4hff
- alias/CVE-2023-3462
- collector/github-advisory-latest
- collector/nvd-index
- collector/nvd-cve
- agent/type
- agent/softwarecombine
- agent/author
- agent/weakness
- agent/severity
- agent/description
- collector/nvd-api
- agent/software-canonical-lookup-request
- collector/nvd-latest
- agent/title
- agent/first-publish-date
- agent/event
- collector/redhat-bugzilla
- source/Red Hat
- agent/software-canonical-lookup
- agent/references
- agent/tags
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/trending
- package-manager/go
- vendor/hashicorp
- canonical/hashicorp vault
- version/hashicorp vault/1.13.0
- version/hashicorp vault/1.14.0
- package-manager/redhat