What is CVE-2023-30606?

CVE-2023-30606 is a vulnerability in Discourse that allows an administrator user to call arbitrary methods on the `SiteSetting` class, potentially affecting the entire cluster.

How does CVE-2023-30606 affect Discourse?

CVE-2023-30606 allows an administrator user to call arbitrary methods on the `SiteSetting` class, which can impact the entire cluster in a multisite instance of Discourse.

What is the severity of CVE-2023-30606?

The severity of CVE-2023-30606 is medium with a CVSS score of 4.9.

Which versions of Discourse are affected by CVE-2023-30606?

Discourse versions up to and including 3.0.1 stable, and up to but excluding 3.1.0 beta are affected by CVE-2023-30606.

How can I fix CVE-2023-30606?

To fix CVE-2023-30606, it is recommended to update to a patched version of Discourse.

Vulnerability/
CVE-2023-30606

medium

4.9

CWE

732

18/4/2023

28/4/2023

CVE-2023-30606

First published: Tue Apr 18 2023(Updated: )

Discourse is an open source platform for community discussion. In affected versions a user logged as an administrator can call arbitrary methods on the `SiteSetting` class, notably `#clear_cache!` and `#notify_changed!`, which when done on a multisite instance, can affect the entire cluster resulting in a denial of service. Users not running in multisite environments are not affected. This issue is patched in the latest stable, beta and tests-passed versions of Discourse. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Credit: security-advisories@github.com

Affected Software	Affected Version	How to fix
Discourse Discourse	<=3.0.1
Discourse Discourse	<3.1.0
Discourse Discourse	=3.1.0-beta1
Discourse Discourse	=3.1.0-beta2

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Reference Links

https://github.com/discourse/discourse/security/advisories/GHSA-jj93-w3mv-3jvv

Frequently Asked Questions

What is CVE-2023-30606?
CVE-2023-30606 is a vulnerability in Discourse that allows an administrator user to call arbitrary methods on the `SiteSetting` class, potentially affecting the entire cluster.
How does CVE-2023-30606 affect Discourse?
CVE-2023-30606 allows an administrator user to call arbitrary methods on the `SiteSetting` class, which can impact the entire cluster in a multisite instance of Discourse.
What is the severity of CVE-2023-30606?
The severity of CVE-2023-30606 is medium with a CVSS score of 4.9.
Which versions of Discourse are affected by CVE-2023-30606?
Discourse versions up to and including 3.0.1 stable, and up to but excluding 3.1.0 beta are affected by CVE-2023-30606.
How can I fix CVE-2023-30606?
To fix CVE-2023-30606, it is recommended to update to a patched version of Discourse.

collector/nvd-index
agent/weakness
vendor/discourse
canonical/discourse discourse
version/discourse discourse/3.0.1
version/discourse discourse/3.1.0-beta1
version/discourse discourse/3.1.0-beta2

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