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GHSA-gggm-66rh-pp98
No affected components available
Summary
CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
Access to information you should not have access to when the permissions rely on $CURRENT_USER for filtering.
Details
The permission filters (i.e. user_created IS $CURRENT_USER) are not properly checked when using GraphQL subscription resulting in unauthorized users getting event on their subscription which they should not be receiving according to the permissions.
This can be any collection but out-of-the box the directus_users collection is configured with such a permissions filter allowing you to get updates for other users when changes happen.
An example:
subscription {
directus_users_mutated {
event
data {
id
last_access
last_page
}
}
}
Patches
https://github.com/directus/directus/pull/19155
Workarounds
Disable GraphQL Subscriptions
References
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. The attacker needs the user to perform some action, like clicking a link. 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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