{ "id": "CVE-2021-3139", "sourceIdentifier": "cve@mitre.org", "published": "2021-01-13T16:15:14.617", "lastModified": "2021-01-22T18:25:15.970", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "In Open-iSCSI tcmu-runner 1.3.x, 1.4.x, and 1.5.x through 1.5.2, xcopy_locate_udev in tcmur_cmd_handler.c lacks a check for transport-layer restrictions, allowing remote attackers to read or write files via directory traversal in an XCOPY request. For example, an attack can occur over a network if the attacker has access to one iSCSI LUN. NOTE: relative to CVE-2020-28374, this is a similar mistake in a different algorithm." }, { "lang": "es", "value": "En Open-iSCSI tcmu-runner versiones 1.3.x, 1.4.x y versiones 1.5.x hasta 1.5.2, en la funci\u00f3n xcopy_locate_udev en el archivo tcmur_cmd_handler.c carece de una comprobaci\u00f3n de restricciones de la capa de transporte, permitiendo a atacantes remotos leer o escribir archivos por medio de un salto de directorio en una petici\u00f3n XCOPY. Por ejemplo, un ataque puede ocurrir en una red si el atacante presenta acceso a un iSCSI LUN. NOTA: en relaci\u00f3n con CVE-2020-28374, este es un error similar en un algoritmo diferente." } ], "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:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE", "baseScore": 8.1, "baseSeverity": "HIGH" }, "exploitabilityScore": 2.8, "impactScore": 5.2 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:N", "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "SINGLE", "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "availabilityImpact": "NONE", "baseScore": 5.5 }, "baseSeverity": "MEDIUM", "exploitabilityScore": 8.0, "impactScore": 4.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-22" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:tcmu-runner_project:tcmu-runner:*:*:*:*:*:*:*:*", "versionStartIncluding": "1.3.0", "versionEndIncluding": "1.5.2", "matchCriteriaId": "8926E8CD-ABE4-4BAA-9AD6-C92CCEE815E8" } ] } ] } ], "references": [ { "url": "http://www.openwall.com/lists/oss-security/2021/01/13/5", "source": "cve@mitre.org", "tags": [ "Mailing List", "Mitigation", "Third Party Advisory" ] }, { "url": "https://bugzilla.suse.com/attachment.cgi?id=844938", "source": "cve@mitre.org", "tags": [ "Issue Tracking", "Third Party Advisory" ] }, { "url": "https://bugzilla.suse.com/show_bug.cgi?id=1178372", "source": "cve@mitre.org", "tags": [ "Issue Tracking", "Third Party Advisory" ] }, { "url": "https://github.com/open-iscsi/tcmu-runner/pull/644", "source": "cve@mitre.org", "tags": [ "Patch", "Third Party Advisory" ] }, { "url": "https://www.openwall.com/lists/oss-security/2021/01/12/12", "source": "cve@mitre.org", "tags": [ "Mailing List", "Third Party Advisory" ] } ] }