CVE-2021-21374

{"id": "CVE-2021-21374", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.2}, {"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:L", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 5.3, "exploitabilityScore": 2.2}]}, "published": "2021-03-26T22:15:12.867", "references": [{"url": "https://consensys.net/diligence/vulnerabilities/nim-insecure-ssl-tls-defaults-remote-code-execution/", "tags": ["Exploit", "Third Party Advisory"], "source": "security-advisories@github.com"}, {"url": "https://github.com/nim-lang/Nim/pull/16940", "tags": ["Patch", "Third Party Advisory"], "source": "security-advisories@github.com"}, {"url": "https://github.com/nim-lang/nimble/blob/master/changelog.markdown#0130", "tags": ["Release Notes", "Third Party Advisory"], "source": "security-advisories@github.com"}, {"url": "https://github.com/nim-lang/security/security/advisories/GHSA-c2wm-v66h-xhxx", "tags": ["Third Party Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-295"}]}, {"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-348"}, {"lang": "en", "value": "CWE-349"}, {"lang": "en", "value": "CWE-599"}]}], "descriptions": [{"lang": "en", "value": "Nimble is a package manager for the Nim programming language. In Nim release versions before versions 1.2.10 and 1.4.4, \"nimble refresh\" fetches a list of Nimble packages over HTTPS without full verification of the SSL/TLS certificate due to the default setting of httpClient. An attacker able to perform MitM can deliver a modified package list containing malicious software packages. If the packages are installed and used the attack escalates to untrusted code execution."}, {"lang": "es", "value": "Nimble es un administrador de paquetes para el lenguaje de programaci\u00f3n Nim. En las versiones de lanzamiento de Nim anteriores a 1.2.10 y 1.4.4, \"nimble refresh\" extrae una lista de paquetes de Nimble por medio de HTTPS sin una comprobaci\u00f3n completa del certificado SSL/TLS debido a la configuraci\u00f3n predeterminada de httpClient. Un atacante capaz de ejecutar un MitM puede entregar una lista de paquetes modificada que contenga paquetes de software malicioso. Si los paquetes son instalados y usados, el ataque se convierte en una ejecuci\u00f3n de c\u00f3digo que no es confiable."}], "lastModified": "2021-03-30T21:36:49.467", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:nim-lang:nim:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "895C273A-28A1-4592-8A50-9A8FAAD7D98C", "versionEndExcluding": "1.2.10"}, {"criteria": "cpe:2.3:a:nim-lang:nim:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FBDDF104-9FC9-4CED-9F87-26CF1DA2EF4E", "versionEndExcluding": "1.4.4", "versionStartIncluding": "1.4.0"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}