CVE-2023-2978 Abstrium Pydio Cells Change Subscription authorization

Medium 4.6 Published 30 May 2023 Updated 2 Aug 2024

Attackers can bypass authorization checks in the Change Subscription Handler of Pydio Cells, potentially altering subscription states without proper permissions.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: Available

What is CVE-2023-2978?

CVE-2023-2978 is a medium-severity missing authorization vulnerability in Abstrium Pydio Cells, published on 30 May 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A vulnerability was found in Abstrium Pydio Cells 4.2.0. It has been rated as problematic. Affected by this issue is some unknown functionality of the component Change Subscription Handler. The manipulation leads to authorization bypass. The exploit has been disclosed to the public and may be used. Upgrading to version 4.2.1 is able to address this issue. It is recommended to upgrade the affected component. VDB-230210 is the identifier assigned to this vulnerability.

Weakness: CWE-639

Which versions are affected by CVE-2023-2978?

4 open source packages ship an affected version, including github.com/pydio/cells and github.com/pydio/cells/v4. It affects 1 product.

Package	Affected	Fixed in
`github.com/pydio/cells` Go	All versions	None
`github.com/pydio/cells` Go	All versions	`4.2.1`
`github.com/pydio/cells` Go	All versions	`4.2.1`
`github.com/pydio/cells/v4` Go	All versions	`4.2.1`

Products include Abstrium Pydio Cells.

How do I fix CVE-2023-2978?

Upgrade github.com/pydio/cells to 4.2.1 or later.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2023-2978 being exploited?

There is no known exploitation of CVE-2023-2978 in the wild and no public exploit code.

Sources

Also known as GHSA-mv7x-27pc-8c96, GO-2023-1808.