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GHSA-8jpw-gpr4-8cmh
No affected components available
Summary
A vulnerability allows authenticated users to search concealed/sensitive fields when they have read permissions. While actual values remain masked (****), successful matches can be detected through returned records, enabling enumeration attacks on sensitive data.
Details
The system permits search operations on concealed fields in the directus_users collection, including token, tfa_secret, password. Matching records are returned with masked values, but their presence confirms the searched value exists.
The "Recommended Defaults" for "App Access" grant users full read permissions to their role/user records, inadvertently enabling them to search for any user's tokens, TFA secrets, and password hashes. Attackers can leverage known password hashes from breach databases to identify accounts with compromised passwords.
Impact
This vulnerability enables:
- Token enumeration - Verification of valid authentication tokens
- Password hash matching - Identification of accounts using known compromised passwords
- Information disclosure - Confirmation of sensitive value existence without viewing actual data
- Increased attack surface - Default permissions automatically expose all deployments using recommended settings
The risk is particularly high for password fields, where attackers can cross-reference publicly available hash databases to identify vulnerable accounts.
The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker needs basic access or low-level privileges. No user interaction is needed for the attacker to exploit this vulnerability. The impact is confined to the system where the vulnerability exists. There is a high impact on the confidentiality of the information.
Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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