Vulnerability · Published Sep 7, 2022 · Assigned by suse

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

Critical 9.1

In plain English

A critical-severity security flaw in Rancher from SUSE. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 63% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)9.1Critical

Exploit odds (30 days)1.0%top 37.0% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Go	github.com/rancher/rancher	2.5.16	GHSA-6x34-89p7-95wg
Go	github.com/rancher/rancher	2.6.7	GHSA-6x34-89p7-95wg

Affected products (as reported)

Vendor	Product	Versions
SUSE	Rancher	Rancher – before 2.6.7
SUSE	Rancher	Rancher – before 2.5.16

Weakness: CWE-285 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

References

https://bugzilla.suse.com/show_bug.cgi?id=1199730 x_refsource_CONFIRM
https://github.com/rancher/rancher/security/advisories/GHSA-6x34-89p7-95wg x_refsource_CONFIRM