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

What is CVE-2019-12303?

CVE-2019-12303 is a high-severity command injection vulnerability in n/a, published on 6 Jun 2019. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

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.

Weakness: CWE-74

Which versions are affected by CVE-2019-12303?

3 open source packages ship an affected version, including github.com/rancher/rancher. It affects 1 product.

Products include Suse Rancher.

How do I fix CVE-2019-12303?

Upgrade github.com/rancher/rancher to a fixed version for your release line: 2.2.4 or 2.2.4+incompatible.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2019-12303 being exploited?

There is no known exploitation of CVE-2019-12303 in the wild and no public exploit code.

Other vulnerabilities in n/a

• CVE-2023-22647 Rancher vulnerable to Privilege Escalation via manipulation of Secrets Critical 9.9
• CVE-2023-22651 Rancher Webhook is misconfigured during upgrade process Critical 9.9
• CVE-2022-43757 Rancher: Exposure of sensitive fields Critical 9.9
• CVE-2021-36782 Rancher: Plaintext storage and exposure of credentials in Rancher API and cluster.management.cattle.io object Critical 9.9
• CVE-2021-36783 Rancher: Failure to properly sanitize credentials in cluster template answers Critical 9.9

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-53pj-67m4-9w98, GO-2024-2762.