Skip to content

Download permissions can be changed by resharer

Moderate
nickvergessen published GHSA-7w6h-5qgw-4j94 Feb 24, 2023

Package

Server (Nextcloud)

Affected versions

>= 24.0.4, >= 25.0.0

Patched versions

24.0.7, 25.0.1
Server (Nextcloud Enterprise)
>= 24.0.4, >= 25.0.0
24.0.7, 25.0.1

Description

Impact

Secure view for internal shares can be circumvented if also reshare permissions are given.

Patches

It is recommended that the Nextcloud Server is upgraded to 24.0.7 or 25.0.1
It is recommended that the Nextcloud Enterprise Server is upgraded to 24.0.7 or 25.0.1

Workarounds

  • No workaround available

References

For more information

If you have any questions or comments about this advisory:

Severity

Moderate
5.7
/ 10

CVSS base metrics

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

CVE ID

CVE-2023-25821

Weaknesses

Credits