CVE-2023-49291

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-49291", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2023-11-24T16:45:24.313Z", "datePublished": "2023-12-04T23:21:33.367Z", "dateUpdated": "2024-08-02T21:53:44.957Z"}, "containers": {"cna": {"title": "Improper Sanitization of Branch Name Leads to Arbitrary Code Injection", "problemTypes": [{"descriptions": [{"cweId": "CWE-20", "lang": "en", "description": "CWE-20: Improper Input Validation", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 9.3, "baseSeverity": "CRITICAL", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/tj-actions/branch-names/security/advisories/GHSA-8v8w-v8xg-79rf", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/tj-actions/branch-names/security/advisories/GHSA-8v8w-v8xg-79rf"}, {"name": "https://github.com/tj-actions/branch-names/commit/4923d1ca41f928c24f1c1b3af9daaadfb71e6337", "tags": ["x_refsource_MISC"], "url": "https://github.com/tj-actions/branch-names/commit/4923d1ca41f928c24f1c1b3af9daaadfb71e6337"}, {"name": "https://github.com/tj-actions/branch-names/commit/6c999acf206f5561e19f46301bb310e9e70d8815", "tags": ["x_refsource_MISC"], "url": "https://github.com/tj-actions/branch-names/commit/6c999acf206f5561e19f46301bb310e9e70d8815"}, {"name": "https://github.com/tj-actions/branch-names/commit/726fe9ba5e9da4fcc716223b7994ffd0358af060", "tags": ["x_refsource_MISC"], "url": "https://github.com/tj-actions/branch-names/commit/726fe9ba5e9da4fcc716223b7994ffd0358af060"}, {"name": "https://securitylab.github.com/research/github-actions-untrusted-input", "tags": ["x_refsource_MISC"], "url": "https://securitylab.github.com/research/github-actions-untrusted-input"}], "affected": [{"vendor": "tj-actions", "product": "branch-names", "versions": [{"version": "< 7.0.7", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2023-12-04T23:21:33.367Z"}, "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."}], "source": {"advisory": "GHSA-8v8w-v8xg-79rf", "discovery": "UNKNOWN"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T21:53:44.957Z"}, "title": "CVE Program Container", "references": [{"name": "https://github.com/tj-actions/branch-names/security/advisories/GHSA-8v8w-v8xg-79rf", "tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/tj-actions/branch-names/security/advisories/GHSA-8v8w-v8xg-79rf"}, {"name": "https://github.com/tj-actions/branch-names/commit/4923d1ca41f928c24f1c1b3af9daaadfb71e6337", "tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/tj-actions/branch-names/commit/4923d1ca41f928c24f1c1b3af9daaadfb71e6337"}, {"name": "https://github.com/tj-actions/branch-names/commit/6c999acf206f5561e19f46301bb310e9e70d8815", "tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/tj-actions/branch-names/commit/6c999acf206f5561e19f46301bb310e9e70d8815"}, {"name": "https://github.com/tj-actions/branch-names/commit/726fe9ba5e9da4fcc716223b7994ffd0358af060", "tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/tj-actions/branch-names/commit/726fe9ba5e9da4fcc716223b7994ffd0358af060"}, {"name": "https://securitylab.github.com/research/github-actions-untrusted-input", "tags": ["x_refsource_MISC", "x_transferred"], "url": "https://securitylab.github.com/research/github-actions-untrusted-input"}]}]}}

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{"affected": [{"affectedData": [{"product": "branch-names", "vendor": "tj-actions", "versions": [{"status": "affected", "version": "< 7.0.7"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:tj-actions:branch-names:*:*:*:*:*:*:*:*", "matchCriteriaId": "4AB0A58B-E056-49E3-9CD4-063AF78D1ECB", "versionEndExcluding": "7.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:tj-actions:branch-names:*:*:*:*:*:*:*:*", "matchCriteriaId": "04A7066A-CDAB-4C39-AD1F-87ADAF23495A", "versionEndExcluding": "7.0.7", "versionStartIncluding": "7.0.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "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."}], "id": "CVE-2023-49291", "lastModified": "2026-06-17T06:35:46.920", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 9.3, "baseSeverity": "CRITICAL", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 4.7, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2023-12-05T00:15:09.403", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/tj-actions/branch-names/commit/4923d1ca41f928c24f1c1b3af9daaadfb71e6337"}, {"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/tj-actions/branch-names/commit/6c999acf206f5561e19f46301bb310e9e70d8815"}, {"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/tj-actions/branch-names/commit/726fe9ba5e9da4fcc716223b7994ffd0358af060"}, {"source": "security-advisories@github.com", "tags": ["Exploit", "Vendor Advisory"], "url": "https://github.com/tj-actions/branch-names/security/advisories/GHSA-8v8w-v8xg-79rf"}, {"source": "security-advisories@github.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://securitylab.github.com/research/github-actions-untrusted-input"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://github.com/tj-actions/branch-names/commit/4923d1ca41f928c24f1c1b3af9daaadfb71e6337"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://github.com/tj-actions/branch-names/commit/6c999acf206f5561e19f46301bb310e9e70d8815"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://github.com/tj-actions/branch-names/commit/726fe9ba5e9da4fcc716223b7994ffd0358af060"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Vendor Advisory"], "url": "https://github.com/tj-actions/branch-names/security/advisories/GHSA-8v8w-v8xg-79rf"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://securitylab.github.com/research/github-actions-untrusted-input"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "security-advisories@github.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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