Skip to content

Missing brute force protection for passwords of password protected share links

Low
julien-nc published GHSA-r5wf-xj97-3w7w Apr 25, 2023

Package

Server (Nextcloud)

Affected versions

>= 24.0.0, >= 25.0.0

Patched versions

24.0.11, 25.0.5
Server (Nextcloud Enterprise)
>= 23.0.0, >= 24.0.0, >= 25.0.0
23.0.12.6, 24.0.11, 25.0.5

Description

Impact

An attacker is not restricted in verifying passwords of share links so they can just start brute forcing the password.

Patches

It is recommended that the Nextcloud Server is upgraded to 24.0.11 or 25.0.5
It is recommended that the Nextcloud Enterprise Server is upgraded to 23.0.12.6, 24.0.11 or 25.0.5

Workarounds

No workaround available

References

For more information

If you have any questions or comments about this advisory:

Severity

Low
3.1
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
High
Privileges required
None
User interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N

CVE ID

CVE-2023-28847

Weaknesses

Credits