CVE-2023-49291

{"id": "CVE-2023-49291", "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}, {"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 9.3, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 4.7, "exploitabilityScore": 3.9}]}, "published": "2023-12-05T00:15:09.403", "references": [{"url": "https://github.com/tj-actions/branch-names/commit/4923d1ca41f928c24f1c1b3af9daaadfb71e6337", "tags": ["Patch"], "source": "security-advisories@github.com"}, {"url": "https://github.com/tj-actions/branch-names/commit/6c999acf206f5561e19f46301bb310e9e70d8815", "tags": ["Patch"], "source": "security-advisories@github.com"}, {"url": "https://github.com/tj-actions/branch-names/commit/726fe9ba5e9da4fcc716223b7994ffd0358af060", "tags": ["Patch"], "source": "security-advisories@github.com"}, {"url": "https://github.com/tj-actions/branch-names/security/advisories/GHSA-8v8w-v8xg-79rf", "tags": ["Exploit", "Vendor Advisory"], "source": "security-advisories@github.com"}, {"url": "https://securitylab.github.com/research/github-actions-untrusted-input", "tags": ["Exploit", "Third Party Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}, {"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-20"}]}], "descriptions": [{"lang": "en", "value": "tj-actions/branch-names is a Github action to retrieve branch or tag names with support for all events. The `tj-actions/branch-names` GitHub Actions improperly references the `github.event.pull_request.head.ref` and `github.head_ref` context variables within a GitHub Actions `run` step. The head ref variable is the branch name and can be used to execute arbitrary code using a specially crafted branch name. As a result an attacker can use this vulnerability to steal secrets from or abuse `GITHUB_TOKEN` permissions. This vulnerability has been addressed in version 7.0.7. Users are advised to upgrade. There are no known workarounds for this vulnerability."}, {"lang": "es", "value": "tj-actions/branch-names es una acci\u00f3n de Github para recuperar nombres de ramas o etiquetas con soporte para todos los eventos. Las GitHub Actions `tj-actions/branch-names` hacen referencia incorrectamente a las variables de contexto `github.event.pull_request.head.ref` y `github.head_ref` dentro de un paso de `ejecuci\u00f3n` de GitHub Actions. La variable head ref es el nombre de la rama y se puede usar para ejecutar c\u00f3digo arbitrario usando un nombre de rama especialmente manipulado. Como resultado, un atacante puede utilizar esta vulnerabilidad para robar secretos o abusar de los permisos \"GITHUB_TOKEN\". Esta vulnerabilidad se ha solucionado en la versi\u00f3n 7.0.7. Se recomienda a los usuarios que actualicen. No se conocen workarounds para esta vulnerabilidad."}], "lastModified": "2023-12-08T17:24:26.643", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:tj-actions:branch-names:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4AB0A58B-E056-49E3-9CD4-063AF78D1ECB", "versionEndExcluding": "7.0.0"}, {"criteria": "cpe:2.3:a:tj-actions:branch-names:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "04A7066A-CDAB-4C39-AD1F-87ADAF23495A", "versionEndExcluding": "7.0.7", "versionStartIncluding": "7.0.1"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}