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

9.1CRITICAL

Key Information:

Vendor

Suse
Status
Rancher
Vendor
CVE Published:
7 September 2022

What is CVE-2022-31247?

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.

Affected Version(s)

Rancher Rancher < 2.6.7

Rancher Rancher < 2.5.16

References

https://bugzilla.suse.com/show_bug.cgi?id=1199730
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https://github.com/rancher/rancher/security/advisories/GH...
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CVSS V3.1

Score:
9.1
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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