Vulnerability · Published Aug 20, 2024 · Assigned by GitHub_M

CVE-2024-43403Kanister has a potential risk which can be leveraged to make a cluster-level privilege escalation

High 8.8

In plain English

A high-severity privilege mismanagement in kanister from kanisterio. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 44% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.5%top 55.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Kanister is a data protection workflow management tool. The kanister has a deployment called default-kanister-operator, which is bound with a ClusterRole called edit via ClusterRoleBinding. The "edit" ClusterRole is one of Kubernetes default-created ClusterRole, and it has the create/patch/udpate verbs of daemonset resources, create verb of serviceaccount/token resources, and impersonate verb of serviceaccounts resources. A malicious user can leverage access the worker node which has this component to make a cluster-level privilege escalation.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Gogithub.com/kanisterio/kanister0.0.0-20240926084453-1f40f03d8432GHSA-h27c-6xm3-mcqp
Gogithub.com/kanisterio/kanisterno fix listedGO-2024-3080

Affected products (as reported)

VendorProductVersions
kanisterio kanister <= 0.110.0

Weakness: CWE-269 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References