PT-2023-24955 · Hashicorp+2 · Hashicorp Vault+3

Jared Johnstone · Published 2023-07-31 · Updated 2025-04-28 · CVE-2023-3462

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Name of the Vulnerable Software and Affected Versions HashiCorp Vault and Vault Enterprise versions prior to 1.13.5 HashiCorp Vault and Vault Enterprise versions prior to 1.14.1

Description The issue allows for user enumeration when using the LDAP auth method. An attacker can submit requests for existent and non-existent LDAP users and observe the response from Vault to determine if the account is valid on the LDAP server.

Recommendations For versions prior to 1.13.5, update to version 1.13.5 or later to resolve the issue. For versions prior to 1.14.1, update to version 1.14.1 or later to resolve the issue.

Fix

Side Channel Attack

Weakness Enumeration

CWE-203

Related Identifiers

ALT-PU-2023-4851

ALT-PU-2023-4866

BIT-VAULT-2023-3462

CVE-2023-3462

GHSA-9V3W-W2JH-4HFF

GO-2023-1986

Affected Products

Alt Linux

Hashicorp Vault

Red Os

Vault Enterprise

References · 15

• https://nvd.nist.gov/vuln/detail/CVE-2023-3462 · Security Note
• https://discuss.hashicorp.com/t/hcsec-2023-24-vaults-ldap-auth-method-allows-for-user-enumeration/56714 · Vendor Advisory
• https://osv.dev/vulnerability/BIT-vault-2023-3462 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-3462 · Vendor Advisory
• https://osv.dev/vulnerability/GO-2023-1986 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-9v3w-w2jh-4hff · Vendor Advisory
• https://github.com/hashicorp/vault · Note
• https://github.com/advisories/GHSA-9v3w-w2jh-4hff · Note
• https://redos.red-soft.ru/support/secure/uyazvimosti/support/secure/uyazvimosti/uyazvimost-vault-cve-2023-3462 · Note
• https://twitter.com/transilienceai/status/1913920807446683686 · Twitter Post
• https://t.me/cvenotify/55628 · Telegram Post
• https://twitter.com/transilienceai/status/1913014973174853716 · Twitter Post
• https://twitter.com/transilienceai/status/1917004577221566812 · Twitter Post
• https://twitter.com/transilienceai/status/1914677108099690530 · Twitter Post
• https://twitter.com/transilienceai/status/1916476437235724489 · Twitter Post