CVE-2019-12303: Rancher code injection via fluentd config commands

May 24, 2022 (updated April 24, 2024)

In Rancher 2 through 2.2.3, Project owners can inject additional fluentd configuration to read files or execute arbitrary commands inside the fluentd container.

References

forums.rancher.com/t/rancher-release-v2-2-4-addresses-rancher-cve-2019-12274-and-cve-2019-12303/14466
github.com/advisories/GHSA-53pj-67m4-9w98
github.com/rancher/rancher
nvd.nist.gov/vuln/detail/CVE-2019-12303

Detect and mitigate CVE-2019-12303 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Learn more about Dependency Scanning →