CVE-2021-3907

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{"affected": [{"affectedData": [{"product": "octorpki", "vendor": "Cloudflare", "versions": [{"lessThan": "1.4.3", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "cna@cloudflare.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:cloudflare:octorpki:*:*:*:*:*:*:*:*", "matchCriteriaId": "A39C112F-E066-40D1-9CAC-9D9F89B467EE", "versionEndExcluding": "1.3.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73", "vulnerable": true}, {"criteria": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*", "matchCriteriaId": "FA6FEEC2-9F11-4643-8827-749718254FED", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "OctoRPKI does not escape a URI with a filename containing \"..\", this allows a repository to create a file, (ex. rsync://example.org/repo/../../etc/cron.daily/evil.roa), which would then be written to disk outside the base cache folder. This could allow for remote code execution on the host machine OctoRPKI is running on."}, {"lang": "es", "value": "OctoRPKI no escapa a un URI con un nombre de archivo que contenga \"..\", esto permite que un repositorio cree un archivo, (ej. rsync://ejemplo.org/repo/../../etc/cron.daily/evil.roa), que luego ser\u00eda escrito en el disco fuera de la carpeta de cach\u00e9 base. Esto podr\u00eda permitir una ejecuci\u00f3n de c\u00f3digo remota en la m\u00e1quina anfitriona en la que se ejecuta OctoRPKI"}], "id": "CVE-2021-3907", "lastModified": "2026-06-17T04:05:58.127", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.4, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 5.2, "source": "cna@cloudflare.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": "2021-11-11T22:15:07.820", "references": [{"source": "cna@cloudflare.com", "tags": ["Third Party Advisory"], "url": "https://github.com/cloudflare/cfrpki/security/advisories/GHSA-3jhm-87m6-x959"}, {"source": "cna@cloudflare.com", "tags": ["Third Party Advisory"], "url": "https://github.com/cloudflare/cfrpki/security/advisories/GHSA-cqh2-vc2f-q4fh"}, {"source": "cna@cloudflare.com", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2021/dsa-5033"}, {"source": "cna@cloudflare.com", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2022/dsa-5041"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/cloudflare/cfrpki/security/advisories/GHSA-3jhm-87m6-x959"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/cloudflare/cfrpki/security/advisories/GHSA-cqh2-vc2f-q4fh"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2021/dsa-5033"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2022/dsa-5041"}], "sourceIdentifier": "cna@cloudflare.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}, {"lang": "en", "value": "CWE-22"}], "source": "cna@cloudflare.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-22"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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