CVE-2022-36066

Critical

Description

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.

SeverityCritical
CVSS9.1
Exploit probability—
ProductDiscourse
PublishedSep 29, 2022
First seenSep 29, 2022

How to fix

Update
  • discourse discourse2.8.9 or later

Affected products

ProductAffected versionsFixed in
discourse discoursev < 2.8.9, 2.9.02.8.9

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.