CVE-2021-20199

CVE Details

Release Date:	2021-02-02
Impact:	None	What is this?

Description

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.

See more information about CVE-2021-20199 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v3 metrics

Base Score:	5.9
Vector String:	CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Version:	3.0
Attack Vector:	Network
Attack Complexity:	High
Privileges Required:	None
User Interaction:	None
Scope:	Unchanged
Confidentiality Impact:	None
Integrity Impact:	High
Availability Impact:	None

Errata information

Platform	Errata	Release Date
Oracle Linux version 8 (buildah)	ELSA-2021-1796	2021-05-25
Oracle Linux version 8 (cockpit-podman)	ELSA-2021-1796	2021-05-25
Oracle Linux version 8 (conmon)	ELSA-2021-1796	2021-05-25
Oracle Linux version 8 (container-selinux)	ELSA-2021-1796	2021-05-25
Oracle Linux version 8 (containernetworking-plugins)	ELSA-2021-1796	2021-05-25
Oracle Linux version 8 (criu)	ELSA-2021-1796	2021-05-25
Oracle Linux version 8 (crun)	ELSA-2021-1796	2021-05-25
Oracle Linux version 8 (fuse-overlayfs)	ELSA-2021-1796	2021-05-25
Oracle Linux version 8 (libslirp)	ELSA-2021-1796	2021-05-25
Oracle Linux version 8 (oci-seccomp-bpf-hook)	ELSA-2021-1796	2021-05-25
Oracle Linux version 8 (podman)	ELSA-2021-1796	2021-05-25
Oracle Linux version 8 (runc)	ELSA-2021-1796	2021-05-25
Oracle Linux version 8 (skopeo)	ELSA-2021-1796	2021-05-25
Oracle Linux version 8 (slirp4netns)	ELSA-2021-1796	2021-05-25
Oracle Linux version 8 (udica)	ELSA-2021-1796	2021-05-25
Oracle Linux version 9 (podman)	ELSA-2022-7954	2022-11-22