CVE-2022-39225 Parse Server subject to Incorrect Resource Transfer Between Spheres

Medium 4.3 Published Updated

Attackers can read and modify other users' session objects if IDs are known, exposing custom fields and altering session ownership.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2022-39225?

CVE-2022-39225 is a medium-severity missing authorization vulnerability in Parseplatform Parse-Server, published on 23 Sep 2022. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. In versions prior to 4.10.15, or 5.0.0 and above prior to 5.2.6, a user can write to the session object of another user if the session object ID is known. For example, an attacker can assign the session object to their own user by writing to the `user` field and then read any custom fields of that session object. Note that assigning a session to another user does not usually change the privileges of either of the two users, and a user cannot assign their own session to another user. This issue is patched in version 4.10.15 and above, and 5.2.6 and above. To mitigate this issue in unpatched versions add a `beforeSave` trigger to the `_Session` class and prevent writing if the requesting user is different from the user in the session object.

Weakness: CWE-669

Which versions are affected by CVE-2022-39225?

5 open source packages ship an affected version, including parse-server and parse. It affects 1 product.

PackageAffectedFixed in
parse-server npmAll versions4.10.15
parse-server npmAll versions4.10.15
parse-server npmFrom 5.0.05.2.6
parse-server npmFrom 5.0.05.2.6
parse BitnamiAll versions4.10.15, 5.2.6

Products include Parseplatform Parse-Server.

How do I fix CVE-2022-39225?

Upgrade parse-server to a fixed version for your release line: 4.10.15 or 5.2.6.

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

Is CVE-2022-39225 being exploited?

There is no known exploitation of CVE-2022-39225 in the wild and no public exploit code.

All Parseplatform Parse-Server vulnerabilities

Sources

Also known as BIT-parse-2022-39225, GHSA-6w4q-23cf-j9jp.

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