kanisterio kanister up to 0.110.0 create/patch/udpate privileges management

Summaryinfo

A vulnerability classified as critical has been found in kanisterio kanister up to 0.110.0. The impacted element is the function create/patch/udpate. Performing a manipulation results in privileges management. This vulnerability is reported as CVE-2024-43403. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability classified as critical has been found in kanisterio kanister up to 0.110.0. This affects the function create/patch/udpate. The manipulation with an unknown input leads to a privileges management vulnerability. CWE is classifying the issue as CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

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.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2024-43403 since 08/12/2024. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/22/2024). MITRE ATT&CK project uses the attack technique T1068 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• kanisterio

Name

• kanister

Version

• 0.110

Website

• Product: https://github.com/kanisterio/kanister/

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CPE 2.2info

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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