Federated shares are not password protected

Disclosed: 2021-06-16 08:56:05 By rtod To nextcloud
Medium
Vulnerability Details
Hi again, So more from me. Bare with me because this is a highly theoretical issue. But I never the less thing it should be mitigated. Or at least disclosed. Premissie: 1. user1 on serverA has a federated share established with user2 on serverB 2. the database (not the full system) of serverB is compromised Now since federated shares are not created with a password which is stored encrypted in the database this means that an attacker to serverB obtains access to data on serverA directly. Now I am aware that if serverB is fully compromised the password could also be decrypted using the server secret ## Impact Using federated sharing exposes the servers to a much larger attack service currently. Since an attacker on a different system can obtain access to data on your system as well. In some cases easier than to the target system. I'd recommend to make sure that there is a password set that is stored encrypted. And that there is a way for admins to obtain a list of federated servers they need to notify in case they had a breach of their own system.
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Report Stats
  • Report ID: 1167817
  • State: Closed
  • Substate: informative
  • Upvotes: 2
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