{"dataType": "CVE_RECORD", "dataVersion": "5.0", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2022-39321", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "dateUpdated": "2022-10-25T00:00:00", "dateReserved": "2022-09-02T00:00:00", "datePublished": "2022-10-25T00:00:00"}, "containers": {"cna": {"title": "GitHub Actions Runner vulnerable to Docker Command Escaping", "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2022-10-25T00:00:00"}, "descriptions": [{"lang": "en", "value": "GitHub Actions Runner is the application that runs a job from a GitHub Actions workflow. The actions runner invokes the docker cli directly in order to run job containers, service containers, or container actions. A bug in the logic for how the environment is encoded into these docker commands was discovered in versions prior to 2.296.2, 2.293.1, 2.289.4, 2.285.2, and 2.283.4 that allows an input to escape the environment variable and modify that docker command invocation directly. Jobs that use container actions, job containers, or service containers alongside untrusted user inputs in environment variables may be vulnerable. The Actions Runner has been patched, both on `github.com` and hotfixes for GHES and GHAE customers in versions 2.296.2, 2.293.1, 2.289.4, 2.285.2, and 2.283.4. GHES and GHAE customers may want to patch their instance in order to have their runners automatically upgrade to these new runner versions. As a workaround, users may consider removing any container actions, job containers, or service containers from their jobs until they are able to upgrade their runner versions."}], "affected": [{"vendor": "actions", "product": "runner", "versions": [{"version": "< 2.283.4", "status": "affected"}, {"version": ">= 2.284.0, < 2.285.2", "status": "affected"}, {"version": ">= 2.286.0, < 2.289.4", "status": "affected"}, {"version": ">= 2.290.0, < 2.293.1", "status": "affected"}, {"version": ">= 2.294.0, < 2.296.2", "status": "affected"}]}], "references": [{"url": "https://github.com/actions/runner/security/advisories/GHSA-2c6m-6gqh-6qg3"}, {"url": "https://github.com/actions/runner/pull/2107"}, {"url": "https://github.com/actions/runner/pull/2108"}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH"}}], "problemTypes": [{"descriptions": [{"type": "CWE", "lang": "en", "description": "CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')", "cweId": "CWE-78"}]}], "source": {"advisory": "GHSA-2c6m-6gqh-6qg3", "discovery": "UNKNOWN"}}}}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:github:runner:*:*:*:*:*:*:*:*", "matchCriteriaId": "16A371E1-4007-4765-9339-A224674D6D15", "versionEndExcluding": "2.283.4", "vulnerable": true}, {"criteria": "cpe:2.3:a:github:runner:*:*:*:*:*:*:*:*", "matchCriteriaId": "14A5F9DE-0F91-452F-8979-EF2CD32846B4", "versionEndExcluding": "2.285.2", "versionStartIncluding": "2.284.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:github:runner:*:*:*:*:*:*:*:*", "matchCriteriaId": "6607F0D3-5753-4B5F-8AC3-BB7AC7C72BC4", "versionEndExcluding": "2.289.4", "versionStartIncluding": "2.286.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:github:runner:*:*:*:*:*:*:*:*", "matchCriteriaId": "113419BA-A8D5-469F-B395-B0E9E6B5E9F3", "versionEndExcluding": "2.293.1", "versionStartIncluding": "2.290.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:github:runner:*:*:*:*:*:*:*:*", "matchCriteriaId": "0574B44C-02BF-4495-8D98-2AE26240A464", "versionEndExcluding": "2.296.2", "versionStartIncluding": "2.294.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "GitHub Actions Runner is the application that runs a job from a GitHub Actions workflow. The actions runner invokes the docker cli directly in order to run job containers, service containers, or container actions. A bug in the logic for how the environment is encoded into these docker commands was discovered in versions prior to 2.296.2, 2.293.1, 2.289.4, 2.285.2, and 2.283.4 that allows an input to escape the environment variable and modify that docker command invocation directly. Jobs that use container actions, job containers, or service containers alongside untrusted user inputs in environment variables may be vulnerable. The Actions Runner has been patched, both on `github.com` and hotfixes for GHES and GHAE customers in versions 2.296.2, 2.293.1, 2.289.4, 2.285.2, and 2.283.4. GHES and GHAE customers may want to patch their instance in order to have their runners automatically upgrade to these new runner versions. As a workaround, users may consider removing any container actions, job containers, or service containers from their jobs until they are able to upgrade their runner versions."}, {"lang": "es", "value": "GitHub Actions Runner es la aplicaci\u00f3n que ejecuta un trabajo desde un flujo de trabajo de GitHub Actions. El ejecutor de acciones invoca directamente el cli de la ventana acoplable para ejecutar contenedores de trabajo, contenedores de servicio o acciones de contenedor. En versiones anteriores a 2.296.2, 2.293.1, 2.289.4, 2.285.2 y 2.283.4, ha sido detectado un error en la l\u00f3gica de c\u00f3mo es codificado el entorno en estos comandos docker que permite que una entrada escape a la variable de entorno y modifique la invocaci\u00f3n de ese comando docker directamente. Los trabajos que usan acciones de contenedor, contenedores de trabajo o contenedores de servicio junto con entradas de usuario no confiables en las variables de entorno pueden ser vulnerables. El Actions Runner ha sido parcheado, tanto en \"github.com\" como en hotfixes para los clientes de GHES y GHAE en versiones 2.296.2, 2.293.1, 2.289.4, 2.285.2 y 2.283.4. Los clientes de GHES y GHAE pueden querer parchear su instancia para que sus ejecutores actualicen autom\u00e1ticamente a estas nuevas versiones de ejecutores. Como mitigaci\u00f3n, los usuarios pueden considerar la eliminaci\u00f3n de cualquier acci\u00f3n de contenedor, contenedor de trabajo o contenedor de servicio de sus trabajos hasta que puedan actualizar las versiones de sus ejecutores"}], "id": "CVE-2022-39321", "lastModified": "2022-10-28T18:27:57.193", "metrics": {"cvssMetricV31": [{"cvssData": {"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, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2022-10-25T17:15:55.953", "references": [{"source": "security-advisories@github.com", "tags": ["Patch", "Release Notes", "Third Party Advisory"], "url": "https://github.com/actions/runner/pull/2107"}, {"source": "security-advisories@github.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/actions/runner/pull/2108"}, {"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://github.com/actions/runner/security/advisories/GHSA-2c6m-6gqh-6qg3"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-78"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-78"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

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