Flux project Flux2 and kustomize-controller directory traversal | CVE-2022-24877
NAME
Flux project Flux2 and kustomize-controller directory traversal
- Platforms Affected:
Flux project Flux2 0.28.5
Flux project kustomize-controller 0.23.0 - Risk Level:
9.9 - Exploitability:
Unproven - Consequences:
Obtain Information
DESCRIPTION
Flux project Flux2 and kustomize-controller could allow a remote authenticated attacker to traverse directories on the system, caused by improper path handling in Kustomization files. An attacker could use a specially-crafted kustomization.yaml file containing “dot dot” sequences (/../) to obtain sensitive data from the controller’s pod filesystem or gain elevated privileges in multi-tenancy deployments.
CVSS 3.0 Information
- Privileges Required: Low
- User Interaction: None
- Scope: Changed
- Access Vector: Network
- Access Complexity: Low
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
- Remediation Level: Official Fix
MITIGATION
Upgrade to the latest version of Flux2 (0.29.0 or later), kustomize-controller (0.24.0 or later), available from the Flux2 GIT Repository. See References.
- Reference Link:
https://github.com/fluxcd/flux2/security/advisories/GHSA-j77r-2fxf-5jrw - Reference Link:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-24877
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