CVE-2022-36066: Discourse vulnerable to RCE via admins uploading maliciously zipped file
First published: Thu Sep 29 2022(Updated: )
Discourse is an open source discussion platform. In versions prior to 2.8.9 on the `stable` branch and prior to 2.9.0.beta10 on the `beta` and `tests-passed` branches, admins can upload a maliciously crafted Zip or Gzip Tar archive to write files at arbitrary locations and trigger remote code execution. The problem is patched in version 2.8.9 on the `stable` branch and version 2.9.0.beta10 on the `beta` and `tests-passed` branches. There are no known workarounds.
Credit: security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Discourse | <2.8.9 | |
| Discourse | =2.9.0-beta1 | |
| Discourse | =2.9.0-beta2 | |
| Discourse | =2.9.0-beta3 | |
| Discourse | =2.9.0-beta4 | |
| Discourse | =2.9.0-beta5 | |
| Discourse | =2.9.0-beta6 | |
| Discourse | =2.9.0-beta7 | |
| Discourse | =2.9.0-beta8 | |
| Discourse | =2.9.0-beta9 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2022-36066?
CVE-2022-36066 has a medium severity rating that could potentially allow an attacker to write files at arbitrary locations.
How do I fix CVE-2022-36066?
To fix CVE-2022-36066, upgrade Discourse to version 2.8.9 or later on the stable branch or to version 2.9.0.beta10 or later on the beta and tests-passed branches.
Which versions of Discourse are affected by CVE-2022-36066?
CVE-2022-36066 affects Discourse versions prior to 2.8.9 on the stable branch and prior to 2.9.0.beta10 on the beta and tests-passed branches.
What do I need to be aware of regarding file uploads in CVE-2022-36066?
CVE-2022-36066 allows admins to upload maliciously crafted Zip or Gzip Tar archives that could lead to severe consequences.
Is there a patch available for CVE-2022-36066?
Yes, a patch for CVE-2022-36066 is included in the updates for versions 2.8.9 and 2.9.0.beta10 or later.
- agent/type
- agent/remedy
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/references
- agent/weakness
- agent/last-modified-date
- agent/title
- agent/author
- agent/severity
- agent/first-publish-date
- agent/description
- agent/event
- agent/source
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/discourse
- canonical/discourse
- version/discourse/2.9.0-beta1
- version/discourse/2.9.0-beta2
- version/discourse/2.9.0-beta3
- version/discourse/2.9.0-beta4
- version/discourse/2.9.0-beta5
- version/discourse/2.9.0-beta6
- version/discourse/2.9.0-beta7
- version/discourse/2.9.0-beta8
- version/discourse/2.9.0-beta9