CVE-2021-20199: Origin Validation Error

May 18, 2021

Rootless containers run with Podman, receive all traffic with a source IP address of 127.0.0.1 (including from remote hosts). This impacts containerized applications that trust localhost (127.0.01) connections by default and do not require authentication. This issue affects Podman 1.8.0 onwards.

References

github.com/advisories/GHSA-grh6-q6m2-rh72
github.com/containers/podman/issues/5138
github.com/containers/podman/pull/9052
github.com/containers/podman/pull/9225
github.com/containers/podman/releases/tag/v3.0.0-rc3
github.com/rootless-containers/rootlesskit/pull/206
nvd.nist.gov/vuln/detail/CVE-2021-20199

Code Behaviors & Features

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