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podman における不正な認証に関する脆弱性
Title podman における不正な認証に関する脆弱性
Summary

podman には、不正な認証に関する脆弱性が存在します。

Possible impacts 情報を取得される、情報を改ざんされる、およびサービス運用妨害 (DoS) 状態にされる可能性があります。
Solution

ベンダより正式な対策が公開されています。ベンダ情報を参照して適切な対策を実施してください。
Publication Date Jan. 13, 2021, midnight
Registration Date Nov. 2, 2021, 5:58 p.m.
Last Update Nov. 2, 2021, 5:58 p.m.
CVSS3.0 : 重要
Score 7
Vector CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS2.0 : 警告
Score 6.9
Vector AV:L/AC:M/Au:N/C:C/I:C/A:C
Affected System
レッドハット
Red Hat Enterprise Linux 
Red Hat OpenShift Container Platform 
CVE (情報セキュリティ 共通脆弱性識別子)
CWE (共通脆弱性タイプ一覧)
ベンダー情報
Change Log
No Changed Details Date of change
1 [2021年11月02日]
  掲載		 Nov. 2, 2021, 5:58 p.m.
NVD Vulnerability Information
CVE-2021-20188
Summary

A flaw was found in podman before 1.7.0. File permissions for non-root users running in a privileged container are not correctly checked. This flaw can be abused by a low-privileged user inside the container to access any other file in the container, even if owned by the root user inside the container. It does not allow to directly escape the container, though being a privileged container means that a lot of security features are disabled when running the container. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Publication Date Feb. 12, 2021, 3:15 a.m.
Registration Date Feb. 12, 2021, 10:02 a.m.
Last Update Nov. 21, 2024, 2:46 p.m.
Affected software configurations
Configuration1 or higher or less more than less than
cpe:2.3:a:podman_project:podman:*:*:*:*:*:*:*:* 1.7.0
Configuration2 or higher or less more than less than
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openshift_container_platform:3.11:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
Related information, measures and tools
Common Vulnerabilities List