HexBrain

Nextcloud · Report #1147611

DoS due to improper input validation can break the admin access into the user data will disallow him from editing that user's data.

Validstatus
highseverity
4upvotes
1 Jun 2021disclosed

Summary

Impact

A malicious user may be able to break the user administration page. This would disallow administrators to administrate users on the Nextcloud instance.

Patches

It is recommended that the Nextcloud Server is upgraded to 19.0.11, 20.0.10 or 21.0.2

Workarounds

Use the OCC command line tool to administrate the Nextcloud users.

References

How it was found

The write-up for this report has not been downloaded yet, or the program disclosed it without one. Read it on HackerOne.

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