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CVE-2020-8567

Date: January 21, 2021

Kubernetes Secrets Store CSI Driver Vault Plugin prior to v0.0.6, Azure Plugin prior to v0.0.10, and GCP Plugin prior to v0.2.0 allow an attacker who can create specially-crafted SecretProviderClass objects to write to arbitrary file paths on the host filesystem, including /var/lib/kubelet/pods.

Language: Go

Severity Score

Related Resources (8)

https://groups.google.com/g/kubernetes-secrets-store-csi-driver/c/BI2qisiNXHY
https://github.com/advisories/GHSA-2v35-wj4r-rcmv
https://github.com/Azure/secrets-store-csi-driver-provider-azure/pull/298
https://github.com/hashicorp/secrets-store-csi-driver-provider-vault/pull/50
https://nvd.nist.gov/vuln/detail/CVE-2020-8567
https://github.com/kubernetes-sigs/secrets-store-csi-driver/issues/384
https://github.com/GoogleCloudPlatform/secrets-store-csi-driver-provider-gcp/pull/74
https://www.mend.io/vulnerability-database/CVE-2020-8567

Severity Score

Weakness Type (CWE)

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CWE-22

Path Traversal: '../filedir'

CWE-24

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): CHANGED
Confidentiality (C): NONE
Integrity (I): LOW
Availability (A): LOW

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): SINGLE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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