CVE-2023-30606
Last modified
CVE-2023-30606 is a medium-severity vulnerability rated 4.9/10 on the CVSS scale. 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. EPSS estimates a 0.39% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Discourse | Discourse | <= 3.0.1 | — |
| Discourse | Discourse | < 3.1.0 | — |
| Discourse | Discourse | 3.1.0 | Beta1 |
References
- https://github.com/discourse/discourse/security/advisories/GHSA-jj93-w3mv-3jvvThird Party Advisory
- https://github.com/discourse/discourse/security/advisories/GHSA-jj93-w3mv-3jvvThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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