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CVE-2022-31247— Rancher: Downstream cluster privilege escalation through cluster and project role template binding (CRTB/PRTB)

CVSS 9.1 · Critical EPSS 0.34% · P57
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I. Basic Information for CVE-2022-31247

Vulnerability Information
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Vulnerability Title
Rancher: Downstream cluster privilege escalation through cluster and project role template binding (CRTB/PRTB)
Source: NVD (National Vulnerability Database)
Vulnerability Description
An Improper Authorization vulnerability in SUSE Rancher, allows any user who has permissions to create/edit cluster role template bindings or project role template bindings (such as cluster-owner, manage cluster members, project-owner and manage project members) to gain owner permission in another project in the same cluster or in another project on a different downstream cluster. This issue affects: SUSE Rancher Rancher versions prior to 2.6.7; Rancher versions prior to 2.5.16.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Rancher Labs Rancher 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Rancher Labs Rancher是美国Rancher Labs公司的一套开源的企业级容器管理平台。 Rancher for SUSE 2.6.7之前版本和Rancher Labs Rancher 2.5.16之前版本存在安全漏洞，该漏洞源于中存在不当授权漏洞，允许任何有权限创建/编辑集群角色模板绑定或项目角色模板绑定的用户在同一集群的另一个项目或不同下游集群的另一个项目中获得所有者权限。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
SUSERancher Rancher ~ 2.6.7 -
SUSERancher Rancher ~ 2.5.16 -

II. Public POCs for CVE-2022-31247

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III. Intelligence Information for CVE-2022-31247

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Same Patch Batch · SUSE · 2022-09-07 · 4 CVEs total

CVE-2021-367839.9 CRITICALRancher: Failure to properly sanitize credentials in cluster template answers
CVE-2021-367829.9 CRITICALRancher: Plaintext storage and exposure of credentials in Rancher API and cluster.manageme
CVE-2022-312516.5 MEDIUMslurm: %post for slurm-testsuite operates as root in user owned directory

IV. Related Vulnerabilities

Same product: Rancher
Same vendor: SUSE
Same weakness: CWE-285

V. Comments for CVE-2022-31247

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