CVE-2021-20199

NameCVE-2021-20199
DescriptionRootless 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libpod (PTS)bullseye3.0.1+dfsg1-3+deb11u5fixed
bookworm4.3.1+ds1-8+deb12u1fixed
sid, trixie4.9.5+ds1-1fixed
rootlesskit (PTS)bullseye0.14.2-1fixed
bookworm1.1.0-1fixed
sid, trixie1.1.1-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libpodsource(unstable)3.0.0~rc2+dfsg1-2
rootlesskitsource(unstable)0.12.0-1

Notes

https://github.com/containers/podman/issues/5138
https://github.com/containers/podman/pull/9052
https://github.com/rootless-containers/rootlesskit/pull/206
For Podman v3.0: https://github.com/containers/podman/pull/9225 (v3.0.0-rc3)
Issue in podman was fixed by linking against rootlesskit 0.12, and Debian updated
ahead of time

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