gsd-2022-24817
Vulnerability from gsd
Modified
2023-12-13 01:19
Details
Flux2 is an open and extensible continuous delivery solution for Kubernetes. Flux2 versions between 0.1.0 and 0.29.0, helm-controller 0.1.0 to v0.19.0, and kustomize-controller 0.1.0 to v0.23.0 are vulnerable to Code Injection via malicious Kubeconfig. In multi-tenancy deployments this can also lead to privilege escalation if the controller's service account has elevated permissions. Workarounds include disabling functionality via Validating Admission webhooks by restricting users from setting the `spec.kubeConfig` field in Flux `Kustomization` and `HelmRelease` objects. Additional mitigations include applying restrictive AppArmor and SELinux profiles on the controller’s pod to limit what binaries can be executed. This vulnerability is fixed in kustomize-controller v0.23.0 and helm-controller v0.19.0, both included in flux2 v0.29.0
Aliases
Aliases
{ "GSD": { "alias": "CVE-2022-24817", "description": "Flux2 is an open and extensible continuous delivery solution for Kubernetes. Flux2 versions between 0.1.0 and 0.29.0, helm-controller 0.1.0 to v0.19.0, and kustomize-controller 0.1.0 to v0.23.0 are vulnerable to Code Injection via malicious Kubeconfig. In multi-tenancy deployments this can also lead to privilege escalation if the controller\u0027s service account has elevated permissions. Workarounds include disabling functionality via Validating Admission webhooks by restricting users from setting the `spec.kubeConfig` field in Flux `Kustomization` and `HelmRelease` objects. Additional mitigations include applying restrictive AppArmor and SELinux profiles on the controller\u2019s pod to limit what binaries can be executed. This vulnerability is fixed in kustomize-controller v0.23.0 and helm-controller v0.19.0, both included in flux2 v0.29.0", "id": "GSD-2022-24817" }, "gsd": { "metadata": { "exploitCode": "unknown", "remediation": "unknown", "reportConfidence": "confirmed", "type": "vulnerability" }, "osvSchema": { "aliases": [ "CVE-2022-24817" ], "details": "Flux2 is an open and extensible continuous delivery solution for Kubernetes. Flux2 versions between 0.1.0 and 0.29.0, helm-controller 0.1.0 to v0.19.0, and kustomize-controller 0.1.0 to v0.23.0 are vulnerable to Code Injection via malicious Kubeconfig. In multi-tenancy deployments this can also lead to privilege escalation if the controller\u0027s service account has elevated permissions. Workarounds include disabling functionality via Validating Admission webhooks by restricting users from setting the `spec.kubeConfig` field in Flux `Kustomization` and `HelmRelease` objects. Additional mitigations include applying restrictive AppArmor and SELinux profiles on the controller\u2019s pod to limit what binaries can be executed. This vulnerability is fixed in kustomize-controller v0.23.0 and helm-controller v0.19.0, both included in flux2 v0.29.0", "id": "GSD-2022-24817", "modified": "2023-12-13T01:19:42.665454Z", "schema_version": "1.4.0" } }, "namespaces": { "cve.org": { "CVE_data_meta": { "ASSIGNER": "security-advisories@github.com", "ID": "CVE-2022-24817", "STATE": "PUBLIC", "TITLE": "Improper kubeconfig validation allows arbitrary code execution" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "flux2", "version": { "version_data": [ { "version_value": "flux2 \u003c v0.29.0 \u003e= v0.1.0" }, { "version_value": "helm-controller \u003c v0.23.0 \u003e= v0.1.0" }, { "version_value": "kustomize-controller \u003c v0.19.0 \u003e= v0.2.0" } ] } } ] }, "vendor_name": "fluxcd" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "Flux2 is an open and extensible continuous delivery solution for Kubernetes. Flux2 versions between 0.1.0 and 0.29.0, helm-controller 0.1.0 to v0.19.0, and kustomize-controller 0.1.0 to v0.23.0 are vulnerable to Code Injection via malicious Kubeconfig. In multi-tenancy deployments this can also lead to privilege escalation if the controller\u0027s service account has elevated permissions. Workarounds include disabling functionality via Validating Admission webhooks by restricting users from setting the `spec.kubeConfig` field in Flux `Kustomization` and `HelmRelease` objects. Additional mitigations include applying restrictive AppArmor and SELinux profiles on the controller\u2019s pod to limit what binaries can be executed. This vulnerability is fixed in kustomize-controller v0.23.0 and helm-controller v0.19.0, both included in flux2 v0.29.0" } ] }, "impact": { "cvss": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.9, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-94: Improper Control of Generation of Code (\u0027Code Injection\u0027)" } ] } ] }, "references": { "reference_data": [ { "name": "https://github.com/fluxcd/flux2/security/advisories/GHSA-vvmq-fwmg-2gjc", "refsource": "CONFIRM", "url": "https://github.com/fluxcd/flux2/security/advisories/GHSA-vvmq-fwmg-2gjc" } ] }, "source": { "advisory": "GHSA-vvmq-fwmg-2gjc", "discovery": "UNKNOWN" } }, "gitlab.com": { "advisories": [ { "affected_range": "\u003e=v0.1.0 \u003cv0.29.0", "affected_versions": "All versions starting from 0.1.0 before 0.29.0", "cvss_v2": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "cwe_ids": [ "CWE-1035", "CWE-78", "CWE-937", "CWE-94" ], "date": "2022-05-16", "description": "Flux2 is an open and extensible continuous delivery solution for Kubernetes. Flux2 versions between 0.1.0 and 0.29.0, helm-controller 0.1.0 to v0.19.0, and kustomize-controller 0.1.0 to v0.23.0 is vulnerable to Code Injection via malicious Kubeconfig. In multi-tenancy deployments this can also lead to privilege escalation if the controller\u0027s service account has elevated permissions. Workarounds include disabling functionality via Validating Admission webhooks by restricting users from setting the `spec.kubeConfig` field in Flux `Kustomization` and `HelmRelease` objects. Additional mitigations include applying restrictive AppArmor and SELinux profiles on the controller\u2019s pod to limit what binaries can be executed. This vulnerability is fixed in kustomize-controller v0.23.0 and helm-controller v0.19.0, both included in flux2 v0.29.0", "fixed_versions": [ "v0.29.0" ], "identifier": "CVE-2022-24817", "identifiers": [ "GHSA-vvmq-fwmg-2gjc", "CVE-2022-24817" ], "not_impacted": "All versions before 0.1.0, all versions starting from 0.29.0", "package_slug": "go/github.com/fluxcd/flux2", "pubdate": "2022-05-16", "solution": "Upgrade to version 0.29.0 or above.", "title": "Improper Control of Generation of Code (\u0027Code Injection\u0027)", "urls": [ "https://github.com/fluxcd/flux2/security/advisories/GHSA-vvmq-fwmg-2gjc", "https://nvd.nist.gov/vuln/detail/CVE-2022-24817", "https://github.com/advisories/GHSA-vvmq-fwmg-2gjc" ], "uuid": "8992c216-79a5-4d7f-8216-3df60b7bea55", "versions": [ { "commit": { "sha": "70d0bfce15a916b73b060af53142ff342051f920", "tags": [ "v0.1.0" ], "timestamp": "20201001123100" }, "number": "v0.1.0" }, { "commit": { "sha": "5346c1cca31261453f1100b3516a77750e46bb17", "tags": [ "v0.29.0" ], "timestamp": "20220420102848" }, "number": "v0.29.0" } ] }, { "affected_range": "\u003e=v0.2.0 \u003cv0.19.0", "affected_versions": "All versions starting from 0.2.0 before 0.19.0", "cvss_v2": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "cwe_ids": [ "CWE-1035", "CWE-78", "CWE-937", "CWE-94" ], "date": "2022-05-16", "description": "Flux2 is an open and extensible continuous delivery solution for Kubernetes. Flux2 versions between 0.1.0 and 0.29.0, helm-controller 0.1.0 to v0.19.0, and kustomize-controller 0.1.0 to v0.23.0 is vulnerable to Code Injection via malicious Kubeconfig. In multi-tenancy deployments this can also lead to privilege escalation if the controller\u0027s service account has elevated permissions. Workarounds include disabling functionality via Validating Admission webhooks by restricting users from setting the `spec.kubeConfig` field in Flux `Kustomization` and `HelmRelease` objects. Additional mitigations include applying restrictive AppArmor and SELinux profiles on the controller\u2019s pod to limit what binaries can be executed. This vulnerability is fixed in kustomize-controller v0.23.0 and helm-controller v0.19.0, both included in flux2 v0.29.0", "fixed_versions": [ "v0.19.0" ], "identifier": "CVE-2022-24817", "identifiers": [ "GHSA-vvmq-fwmg-2gjc", "CVE-2022-24817" ], "not_impacted": "All versions before 0.2.0, all versions starting from 0.19.0", "package_slug": "go/github.com/fluxcd/helm-controller", "pubdate": "2022-05-16", "solution": "Upgrade to version 0.19.0 or above.", "title": "Improper Control of Generation of Code (\u0027Code Injection\u0027)", "urls": [ "https://github.com/fluxcd/flux2/security/advisories/GHSA-vvmq-fwmg-2gjc", "https://nvd.nist.gov/vuln/detail/CVE-2022-24817", "https://github.com/advisories/GHSA-vvmq-fwmg-2gjc" ], "uuid": "1763f3b6-be0b-45fa-af54-4f0dc911ccfe", "versions": [ { "commit": { "sha": "394824c465797a31afd95d275c555c68c8ed1b7b", "tags": [ "v0.2.0" ], "timestamp": "20201029124122" }, "number": "v0.2.0" }, { "commit": { "sha": "cbe622fc0ca8db0998672b0f5f99c0646d36d1ae", "tags": [ "v0.19.0" ], "timestamp": "20220405141636" }, "number": "v0.19.0" } ] }, { "affected_range": "\u003e=v0.1.0 \u003cv0.23.0", "affected_versions": "All versions starting from 0.1.0 before 0.23.0", "cvss_v2": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "cwe_ids": [ "CWE-1035", "CWE-937", "CWE-94" ], "date": "2022-05-16", "description": "Flux2 is an open and extensible continuous delivery solution for Kubernetes. Flux2 versions between 0.1.0 and 0.29.0, helm-controller 0.1.0 to v0.19.0, and kustomize-controller 0.1.0 to v0.23.0 is vulnerable to Code Injection via malicious Kubeconfig. In multi-tenancy deployments this can also lead to privilege escalation if the controller\u0027s service account has elevated permissions. Workarounds include disabling functionality via Validating Admission webhooks by restricting users from setting the `spec.kubeConfig` field in Flux `Kustomization` and `HelmRelease` objects. Additional mitigations include applying restrictive AppArmor and SELinux profiles on the controller\u2019s pod to limit what binaries can be executed. This vulnerability is fixed in kustomize-controller v0.23.0 and helm-controller v0.19.0, both included in flux2 v0.29.0", "fixed_versions": [ "v0.23.0" ], "identifier": "CVE-2022-24817", "identifiers": [ "CVE-2022-24817", "GHSA-vvmq-fwmg-2gjc" ], "not_impacted": "", "package_slug": "go/github.com/fluxcd/kustomize-controller", "pubdate": "2022-05-06", "solution": "Upgrade to version 0.23.0 or above.", "title": "Improper Control of Generation of Code (\u0027Code Injection\u0027)", "urls": [ "https://nvd.nist.gov/vuln/detail/CVE-2022-24817", "https://github.com/fluxcd/flux2/security/advisories/GHSA-vvmq-fwmg-2gjc" ], "uuid": "1ba95d0e-cb42-4988-9411-85930f29aa5d", "versions": [ { "commit": { "sha": "8e16bd4c926846959f7996648223d22ef29b6648", "tags": [ "v0.1.0" ], "timestamp": "20200930175725" }, "number": "v0.1.0" }, { "commit": { "sha": "6bc847b339cc292622620e2e88bd2b8f01552067", "tags": [ "v0.23.0" ], "timestamp": "20220405141538" }, "number": "v0.23.0" } ] } ] }, "nvd.nist.gov": { "configurations": { "CVE_data_version": "4.0", "nodes": [ { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:a:fluxcd:kustomize-controller:*:*:*:*:*:*:*:*", "cpe_name": [], "versionEndExcluding": "0.23.0", "versionStartIncluding": "0.1.0", "vulnerable": true }, { "cpe23Uri": "cpe:2.3:a:fluxcd:helm-controller:*:*:*:*:*:*:*:*", "cpe_name": [], "versionEndExcluding": "0.19.0", "versionStartIncluding": "0.2.0", "vulnerable": true }, { "cpe23Uri": "cpe:2.3:a:fluxcd:flux2:*:*:*:*:*:*:*:*", "cpe_name": [], "versionEndExcluding": "0.29.0", "versionStartIncluding": "0.1.0", "vulnerable": true } ], "operator": "OR" } ] }, "cve": { "CVE_data_meta": { "ASSIGNER": "security-advisories@github.com", "ID": "CVE-2022-24817" }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "en", "value": "Flux2 is an open and extensible continuous delivery solution for Kubernetes. Flux2 versions between 0.1.0 and 0.29.0, helm-controller 0.1.0 to v0.19.0, and kustomize-controller 0.1.0 to v0.23.0 are vulnerable to Code Injection via malicious Kubeconfig. In multi-tenancy deployments this can also lead to privilege escalation if the controller\u0027s service account has elevated permissions. Workarounds include disabling functionality via Validating Admission webhooks by restricting users from setting the `spec.kubeConfig` field in Flux `Kustomization` and `HelmRelease` objects. Additional mitigations include applying restrictive AppArmor and SELinux profiles on the controller\u2019s pod to limit what binaries can be executed. This vulnerability is fixed in kustomize-controller v0.23.0 and helm-controller v0.19.0, both included in flux2 v0.29.0" } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "en", "value": "CWE-94" } ] } ] }, "references": { "reference_data": [ { "name": "https://github.com/fluxcd/flux2/security/advisories/GHSA-vvmq-fwmg-2gjc", "refsource": "CONFIRM", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://github.com/fluxcd/flux2/security/advisories/GHSA-vvmq-fwmg-2gjc" } ] } }, "impact": { "baseMetricV2": { "acInsufInfo": false, "cvssV2": { "accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 6.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "version": "2.0" }, "exploitabilityScore": 8.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "severity": "MEDIUM", "userInteractionRequired": false }, "baseMetricV3": { "cvssV3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.9, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1" }, "exploitabilityScore": 3.1, "impactScore": 6.0 } }, "lastModifiedDate": "2022-05-16T19:07Z", "publishedDate": "2022-05-06T00:15Z" } } }
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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.