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CVE-2022-23641

6.5 · MEDIUM

Discourse is an open source discussion platform.

Published Feb 15, 2022CWE-835EPSS 1.16%

Overview

CVE-2022-23641 is a medium-severity vulnerability. It was published on February 15, 2022 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

Discourse is an open source discussion platform. In versions prior to 2.8.1 in the `stable` branch, 2.9.0.beta2 in the `beta` branch, and 2.9.0.beta2 in the `tests-passed` branch, users can trigger a Denial of Service attack by posting a streaming URL. Parsing Oneboxes in the background job trigger an infinite loop, which cause memory leaks. This issue is patched in version 2.8.1 of the `stable` branch, 2.9.0.beta2 of the `beta` branch, and 2.9.0.beta2 of the `tests-passed` branch. As a workaround, disable onebox in admin panel completely or specify allow list of domains that will be oneboxed.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/discourse/discourse/commit/a34075d205a8857e29574ffd82aaece0c467565eGitHubgithub.com/discourse/discourse/pull/15927GitHubgithub.com/discourse/discourse/security/advisories/GHSA-22xw-f62v-cfxvGitHubgithub.com/discourse/discourse/commit/a34075d205a8857e29574ffd82aaece0c467565eGitHubgithub.com/discourse/discourse/pull/15927GitHubgithub.com/discourse/discourse/security/advisories/GHSA-22xw-f62v-cfxv

How CyberStrike helps

Frequently asked questions

What is CVE-2022-23641?

CVE-2022-23641 is a medium-severity vulnerability. It was published on February 15, 2022 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2022-23641?

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2022-23641?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2022-23641?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-23641 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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