{ "id": "CVE-2021-43413", "sourceIdentifier": "cve@mitre.org", "published": "2021-11-07T18:15:07.783", "lastModified": "2021-11-09T20:37:51.663", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "An issue was discovered in GNU Hurd before 0.9 20210404-9. A single pager port is shared among everyone who mmaps a file, allowing anyone to modify any files that they can read. This can be trivially exploited to get full root access." }, { "lang": "es", "value": "Se ha detectado un problema en GNU Hurd versiones anteriores a 0.9 20210404-9. Un \u00fanico puerto de paginaci\u00f3n es compartido entre todos los que mapean un archivo, permitiendo a cualquiera modificar cualquier archivo que pueda leer. Esto puede ser explotado trivialmente para conseguir acceso completo de root" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "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" }, "exploitabilityScore": 2.8, "impactScore": 5.9 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "SINGLE", "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "baseScore": 9.0 }, "baseSeverity": "HIGH", "exploitabilityScore": 8.0, "impactScore": 10.0, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "NVD-CWE-noinfo" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:gnu:hurd:*:*:*:*:*:*:*:*", "versionEndExcluding": "0.9.20210404-9", "matchCriteriaId": "F6A9E403-F3B3-4336-9A64-AEE7A1E2A0D9" } ] } ] } ], "references": [ { "url": "https://lists.gnu.org/archive/html/bug-hurd/2002-11/msg00263.html", "source": "cve@mitre.org", "tags": [ "Mailing List", "Vendor Advisory" ] }, { "url": "https://lists.gnu.org/archive/html/bug-hurd/2005-06/msg00191.html", "source": "cve@mitre.org", "tags": [ "Mailing List", "Vendor Advisory" ] }, { "url": "https://lists.gnu.org/archive/html/bug-hurd/2021-05/msg00079.html", "source": "cve@mitre.org", "tags": [ "Exploit", "Mailing List", "Vendor Advisory" ] }, { "url": "https://www.mail-archive.com/bug-hurd@gnu.org/msg32113.html", "source": "cve@mitre.org", "tags": [ "Vendor Advisory" ] } ] }