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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*", "matchCriteriaId": "4EE63D07-2640-412A-82B5-24C7B08E4182", "versionEndExcluding": "4.11.15", "versionStartIncluding": "4.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*", "matchCriteriaId": "163B1F95-F904-4C26-8E77-DEC708753D78", "versionEndExcluding": "4.12.9", "versionStartIncluding": "4.12.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*", "matchCriteriaId": "240B16EE-E139-40D2-BCB5-2A635031EC19", "versionEndExcluding": "4.13.1", "versionStartIncluding": "4.13.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "F4CFF558-3C47-480D-A2F0-BABF26042943", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "A flaw was found in samba's DNS server. An authenticated user could use this flaw to the RPC server to crash. This RPC server, which also serves protocols other than dnsserver, will be restarted after a short delay, but it is easy for an authenticated non administrative attacker to crash it again as soon as it returns. The Samba DNS server itself will continue to operate, but many RPC services will not."}, {"lang": "es", "value": "Se encontr\u00f3 un fallo en el servidor DNS de samba. Un usuario autenticado podr\u00eda usar este fallo para que el servidor RPC se bloquee. Este servidor RPC, que tambi\u00e9n sirve protocolos distintos a dnsserver, ser\u00e1 reinciado despu\u00e9s de un breve retraso, pero es f\u00e1cil para un atacante no administrativo autenticado bloquearlo nuevamente tan pronto como regrese. El servidor DNS de Samba seguir\u00e1 funcionando, pero muchos servicios RPC no"}], "id": "CVE-2020-14383", "lastModified": "2024-11-21T05:03:08.590", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 4.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-12-02T01:15:12.170", "references": [{"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1892636"}, {"source": "secalert@redhat.com", "url": "https://lists.debian.org/debian-lts-announce/2024/04/msg00015.html"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202012-24"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "https://www.samba.org/samba/security/CVE-2020-14383.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1892636"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2024/04/msg00015.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202012-24"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.samba.org/samba/security/CVE-2020-14383.html"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-391"}], "source": "secalert@redhat.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank the Samba project for reporting this issue. Upstream acknowledges Francis Brosnan Bl\u00e1zquez (ASPL.es) as the original reporter.", "bugzilla": {"description": "samba: An authenticated user can crash the DCE/RPC DNS with easily crafted records", "id": "1892636", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1892636"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-391", "details": ["A flaw was found in samba's DNS server. An authenticated user could use this flaw to the RPC server to crash. This RPC server, which also serves protocols other than dnsserver, will be restarted after a short delay, but it is easy for an authenticated non administrative attacker to crash it again as soon as it returns. The Samba DNS server itself will continue to operate, but many RPC services will not.", "A flaw was found in Samba's DNS server. This flaw allows an authenticated user to crash the RPC server. The RPC server, which also serves protocols other than the DNS server, is restarted after a short delay, however, an authenticated non-administrative attacker can cause a crash as soon as it returns. The Samba DNS server continues to operate, but many RPC services do not. The highest threat from this vulnerability is system availability."], "mitigation": {"lang": "en:us", "value": "The dnsserver task can be stopped by setting\n'dcerpc endpoint servers = -dnsserver'\nin the smb.conf and restarting Samba."}, "name": "CVE-2020-14383", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "samba", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "samba", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "samba", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/a:redhat:storage:3", "fix_state": "Not affected", "package_name": "samba", "product_name": "Red Hat Storage 3"}], "public_date": "2020-10-29T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-14383\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-14383\nhttps://www.samba.org/samba/security/CVE-2020-14383.html"], "statement": "This issue does not affect the version of samba as shipped with Red Hat Enterprise Linux 6, 7, 8 and Red Hat Gluster Storage 3 as it does not include support for Active Directory Domain Controller.", "threat_severity": "Moderate"}

{}