CVE-2019-25018

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mit:krb5-appl:*:*:*:*:*:*:*:*", "matchCriteriaId": "BB399FFC-A7F4-491A-B6E8-7A622F7A23B5", "versionEndIncluding": "1.0.3", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the rcp client in MIT krb5-appl through 1.0.3, malicious servers could bypass intended access restrictions via the filename of . or an empty filename, similar to CVE-2018-20685 and CVE-2019-7282. The impact is modifying the permissions of the target directory on the client side. 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": "En el cliente rcp en MIT krb5-appl versiones hasta 1.0.3, los servidores maliciosos podr\u00edan omitir unas restricciones de acceso previstas por medio del nombre de archivo of o un nombre de archivo vac\u00edo, similar al CVE-2018-20685 y CVE-2019-7282. El impacto est\u00e1 modificando los permisos del directorio de destino en el lado del cliente. NOTA: MIT krb5-appl no es compatible con versiones anteriores, pero algunas distribuciones de Linux lo entregan. El c\u00f3digo afectado se elimin\u00f3 del producto MIT Kerberos 5 (tambi\u00e9n se conoce como krb5) compatible hace muchos a\u00f1os, en la versi\u00f3n 1.8"}], "id": "CVE-2019-25018", "lastModified": "2026-06-17T02:31:29.460", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-02-02T18:15:11.187", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.suse.com/show_bug.cgi?id=1131109"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.suse.com/show_bug.cgi?id=1131109"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "krb5-appl: Improper directory name validation allows malicious server to bypass access restrictions", "id": "1927426", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1927426"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "status": "draft"}, "cwe": "CWE-863", "details": ["In the rcp client in MIT krb5-appl through 1.0.3, malicious servers could bypass intended access restrictions via the filename of . or an empty filename, similar to CVE-2018-20685 and CVE-2019-7282. The impact is modifying the permissions of the target directory on the client side. 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."], "name": "CVE-2019-25018", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "krb5-appl", "product_name": "Red Hat Enterprise Linux 6"}], "public_date": "2021-02-02T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2019-25018\nhttps://nvd.nist.gov/vuln/detail/CVE-2019-25018\nhttps://bugzilla.suse.com/show_bug.cgi?id=1131109"], "threat_severity": "Moderate"}

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