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  5. CVE-2019-12303

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

Code Behaviors & Features

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

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Affected versions

All versions starting from 2.0.0 before 2.2.4

Fixed versions

  • 2.2.4

Solution

Upgrade to version 2.2.4 or above.

Impact 8.8 HIGH

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Learn more about CVSS

Weakness

  • CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

Source file

go/github.com/rancher/rancher/CVE-2019-12303.yml

Spotted a mistake? Edit the file on GitLab.

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