CVE-2019-25017

{"id": "CVE-2019-25017", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 4.9, "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": 5.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.2}]}, "published": "2021-02-02T18:15:10.937", "references": [{"url": "https://bugzilla.suse.com/show_bug.cgi?id=1131109", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-863"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in rcp in MIT krb5-appl through 1.0.3. Due to the rcp implementation being derived from 1983 rcp, the server chooses which files/directories are sent to the client. However, the rcp client only performs cursory validation of the object name returned (only directory traversal attacks are prevented). A malicious rcp server (or Man-in-The-Middle attacker) can overwrite arbitrary files in the rcp client target directory. If recursive operation (-r) is performed, the server can manipulate subdirectories as well (for example, to overwrite the .ssh/authorized_keys file). This issue is similar to CVE-2019-6111 and CVE-2019-7283. NOTE: MIT krb5-appl is not supported upstream but is shipped by a few Linux distributions. The affected code was removed from the supported MIT Kerberos 5 (aka krb5) product many years ago, at version 1.8."}, {"lang": "es", "value": "Se detect\u00f3 un problema en rcp en MIT krb5-appl versiones hasta 1.0.3. Debido a que la implementaci\u00f3n de rcp es derivado desde rcp 1983, el servidor elige qu\u00e9 archivos y directorios son enviados al cliente. Sin embargo, el cliente rcp solo lleva a cabo una comprobaci\u00f3n superficial del nombre del objeto devuelto (solo se evitan los ataques de saltos de directorio). Un servidor rcp malicioso (o un atacante Man-in-The-Middle) puede sobrescribir archivos arbitrarios en el directorio de destino del cliente rcp. Si una operaci\u00f3n recursiva (-r) se produce, el servidor tambi\u00e9n puede manipular subdirectorios (por ejemplo, para sobrescribir el archivo .ssh/allowed_keys). Este problema es similar al CVE-2019-6111 y CVE-2019-7283. NOTA: MIT krb5-appl no es compatible con versiones anteriores, pero algunas distribuciones de Linux lo entregan. El c\u00f3digo afectado es removido del producto MIT Kerberos 5 (tambi\u00e9n se conoce como krb5) compatible hace muchos a\u00f1os, en la versi\u00f3n 1.8"}], "lastModified": "2021-07-21T11:39:23.747", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mit:krb5-appl:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BB399FFC-A7F4-491A-B6E8-7A622F7A23B5", "versionEndIncluding": "1.0.3"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}