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the \"server signing = mandatory\" setting, which allows man-in-the-middle attackers to spoof SMB servers by modifying the client-server data stream."}, {"lang": "es", "value": "La implementaci\u00f3n del protocolo SMB1 en Samba 4.x en versiones anteriores a 4.2.11, 4.3.x en versiones anteriores a 4.3.8 y 4.4.x en versiones anteriores a 4.4.2 no reconoce el ajuste \"server signing = mandatory\", lo que permite a atacantes man-in-the-middle suplantar servidores SMB modificando el flujo de datos cliente-servidor."}], "id": "CVE-2016-2114", "lastModified": "2025-04-12T10:46:40.837", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.0"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2016-04-25T00:59:05.113", "references": [{"source": "secalert@redhat.com", "url": "http://badlock.org/"}, {"source": "secalert@redhat.com", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182185.html"}, {"source": "secalert@redhat.com", "url": 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{"source": "secalert@redhat.com", "url": "https://www.samba.org/samba/history/samba-4.2.10.html"}, {"source": "secalert@redhat.com", "url": "https://www.samba.org/samba/latest_news.html#4.4.2"}, {"source": "secalert@redhat.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://www.samba.org/samba/security/CVE-2016-2114.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://badlock.org/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182185.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182272.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182288.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00047.html"}, {"source": 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"http://www.securitytracker.com/id/1035533"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.458012"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.ubuntu.com/usn/USN-2950-1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.ubuntu.com/usn/USN-2950-2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.ubuntu.com/usn/USN-2950-3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.ubuntu.com/usn/USN-2950-4"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.ubuntu.com/usn/USN-2950-5"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://bto.bluecoat.com/security-advisory/sa122"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.gentoo.org/glsa/201612-47"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.samba.org/samba/history/samba-4.2.10.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.samba.org/samba/latest_news.html#4.4.2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://www.samba.org/samba/security/CVE-2016-2114.html"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-254"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank the Samba project for reporting this issue. Upstream acknowledges Stefan Metzmacher (SerNet) as the original reporter.", "affected_release": [{"advisory": "RHSA-2016:0612", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "ipa-0:3.0.0-47.el6_7.2", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2016-04-13T00:00:00Z"}, {"advisory": "RHSA-2016:0612", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "libldb-0:1.1.25-2.el6_7", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2016-04-13T00:00:00Z"}, {"advisory": "RHSA-2016:0612", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "libtalloc-0:2.1.5-1.el6_7", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2016-04-13T00:00:00Z"}, {"advisory": "RHSA-2016:0612", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "libtdb-0:1.3.8-1.el6_7", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2016-04-13T00:00:00Z"}, {"advisory": "RHSA-2016:0612", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "libtevent-0:0.9.26-2.el6_7", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2016-04-13T00:00:00Z"}, {"advisory": "RHSA-2016:0612", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "openchange-0:1.0-7.el6_7", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2016-04-13T00:00:00Z"}, {"advisory": "RHSA-2016:0612", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "samba4-0:4.2.10-6.el6_7", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2016-04-13T00:00:00Z"}, {"advisory": "RHSA-2016:0620", "cpe": "cpe:/o:redhat:rhel_mission_critical:6.2", "package": "evolution-mapi-0:0.28.3-8.el6_2", "product_name": "Red Hat Enterprise Linux 6.2 Advanced Update Support", "release_date": "2016-04-12T00:00:00Z"}, {"advisory": "RHSA-2016:0620", "cpe": "cpe:/o:redhat:rhel_mission_critical:6.2", "package": "libldb-0:1.1.25-2.el6_2", "product_name": "Red Hat Enterprise Linux 6.2 Advanced Update Support", "release_date": "2016-04-12T00:00:00Z"}, {"advisory": "RHSA-2016:0620", "cpe": "cpe:/o:redhat:rhel_mission_critical:6.2", "package": "openchange-0:1.0-1.el6_2", "product_name": "Red Hat Enterprise Linux 6.2 Advanced Update Support", "release_date": "2016-04-12T00:00:00Z"}, {"advisory": "RHSA-2016:0620", "cpe": "cpe:/o:redhat:rhel_mission_critical:6.2", "package": "samba4-0:4.2.10-6.el6_2", "product_name": "Red Hat Enterprise Linux 6.2 Advanced Update Support", "release_date": "2016-04-12T00:00:00Z"}, {"advisory": "RHSA-2016:0620", "cpe": "cpe:/o:redhat:rhel_mission_critical:6.2", "package": "sssd-0:1.5.1-66.el6_2.5", "product_name": "Red Hat Enterprise Linux 6.2 Advanced Update Support", "release_date": "2016-04-12T00:00:00Z"}, {"advisory": "RHSA-2016:0620", "cpe": "cpe:/o:redhat:rhel_aus:6.4", "package": "ipa-0:3.0.0-26.el6_4.5", "product_name": "Red Hat Enterprise Linux 6.4 Advanced Update Support", "release_date": "2016-04-12T00:00:00Z"}, {"advisory": "RHSA-2016:0620", "cpe": "cpe:/o:redhat:rhel_aus:6.4", "package": 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"2016-04-12T00:00:00Z"}, {"advisory": "RHSA-2016:0620", "cpe": "cpe:/o:redhat:rhel_aus:6.5", "package": "libldb-0:1.1.25-2.el6_5", "product_name": "Red Hat Enterprise Linux 6.5 Advanced Update Support", "release_date": "2016-04-12T00:00:00Z"}, {"advisory": "RHSA-2016:0620", "cpe": "cpe:/o:redhat:rhel_aus:6.5", "package": "openchange-0:1.0-7.el6_5", "product_name": "Red Hat Enterprise Linux 6.5 Advanced Update Support", "release_date": "2016-04-12T00:00:00Z"}, {"advisory": "RHSA-2016:0620", "cpe": "cpe:/o:redhat:rhel_aus:6.5", "package": "samba4-0:4.2.10-6.el6_5", "product_name": "Red Hat Enterprise Linux 6.5 Advanced Update Support", "release_date": "2016-04-12T00:00:00Z"}, {"advisory": "RHSA-2016:0620", "cpe": "cpe:/o:redhat:rhel_aus:6.5", "package": "sssd-0:1.9.2-129.el6_5.7", "product_name": "Red Hat Enterprise Linux 6.5 Advanced Update Support", "release_date": "2016-04-12T00:00:00Z"}, {"advisory": "RHSA-2016:0620", "cpe": "cpe:/o:redhat:rhel_eus:6.6", "package": "ipa-0:3.0.0-42.el6_6.1", "product_name": "Red Hat Enterprise Linux 6.6 Extended Update Support", "release_date": "2016-04-12T00:00:00Z"}, {"advisory": "RHSA-2016:0620", "cpe": "cpe:/o:redhat:rhel_eus:6.6", "package": "libldb-0:1.1.25-2.el6_6", "product_name": "Red Hat Enterprise Linux 6.6 Extended Update Support", "release_date": "2016-04-12T00:00:00Z"}, {"advisory": "RHSA-2016:0620", "cpe": "cpe:/o:redhat:rhel_eus:6.6", "package": "openchange-0:1.0-7.el6_6", "product_name": "Red Hat Enterprise Linux 6.6 Extended Update Support", "release_date": "2016-04-12T00:00:00Z"}, {"advisory": "RHSA-2016:0620", "cpe": "cpe:/o:redhat:rhel_eus:6.6", "package": "samba4-0:4.2.10-6.el6_6", "product_name": "Red Hat Enterprise Linux 6.6 Extended Update Support", "release_date": "2016-04-12T00:00:00Z"}, {"advisory": "RHSA-2016:0612", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "ipa-0:4.2.0-15.el7_2.6.1", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2016-04-13T00:00:00Z"}, {"advisory": "RHSA-2016:0612", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "libldb-0:1.1.25-1.el7_2", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2016-04-13T00:00:00Z"}, {"advisory": "RHSA-2016:0612", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "libtalloc-0:2.1.5-1.el7_2", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2016-04-13T00:00:00Z"}, {"advisory": "RHSA-2016:0612", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "libtdb-0:1.3.8-1.el7_2", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2016-04-13T00:00:00Z"}, {"advisory": "RHSA-2016:0612", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "libtevent-0:0.9.26-1.el7_2", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2016-04-13T00:00:00Z"}, {"advisory": "RHSA-2016:0612", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "openchange-0:2.0-10.el7_2", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2016-04-13T00:00:00Z"}, {"advisory": "RHSA-2016:0612", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "samba-0:4.2.10-6.el7_2", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2016-04-13T00:00:00Z"}, {"advisory": "RHSA-2016:0618", "cpe": "cpe:/o:redhat:rhel_eus:7.1", "package": "ipa-0:4.1.0-18.el7_1.6", "product_name": "Red Hat Enterprise Linux 7.1 Extended Update Support", "release_date": "2016-04-13T00:00:00Z"}, {"advisory": "RHSA-2016:0618", "cpe": "cpe:/o:redhat:rhel_eus:7.1", "package": "libldb-0:1.1.25-1.ael7b_1", "product_name": "Red Hat Enterprise Linux 7.1 Extended Update Support", "release_date": "2016-04-13T00:00:00Z"}, {"advisory": "RHSA-2016:0618", "cpe": "cpe:/o:redhat:rhel_eus:7.1", "package": "libtalloc-0:2.1.5-1.el7_1", "product_name": "Red Hat Enterprise Linux 7.1 Extended Update Support", "release_date": "2016-04-13T00:00:00Z"}, {"advisory": "RHSA-2016:0618", "cpe": "cpe:/o:redhat:rhel_eus:7.1", "package": "libtdb-0:1.3.8-1.el7_1", "product_name": "Red Hat Enterprise 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"cpe:/a:redhat:storage:3.1:samba:el6", "package": "libtalloc-0:2.1.5-1.el6rhs", "product_name": "Red Hat Gluster Storage 3.1 for RHEL 6", "release_date": "2016-04-12T00:00:00Z"}, {"advisory": "RHSA-2016:0614", "cpe": "cpe:/a:redhat:storage:3.1:samba:el6", "package": "libtdb-0:1.3.8-1.el6rhs", "product_name": "Red Hat Gluster Storage 3.1 for RHEL 6", "release_date": "2016-04-12T00:00:00Z"}, {"advisory": "RHSA-2016:0614", "cpe": "cpe:/a:redhat:storage:3.1:samba:el6", "package": "libtevent-0:0.9.26-1.el6rhs", "product_name": "Red Hat Gluster Storage 3.1 for RHEL 6", "release_date": "2016-04-12T00:00:00Z"}, {"advisory": "RHSA-2016:0614", "cpe": "cpe:/a:redhat:storage:3.1:samba:el6", "package": "samba-0:4.2.11-2.el6rhs", "product_name": "Red Hat Gluster Storage 3.1 for RHEL 6", "release_date": "2016-04-12T00:00:00Z"}, {"advisory": "RHSA-2016:0614", "cpe": "cpe:/a:redhat:storage:3.1:samba:el7", "package": "libldb-0:1.1.24-1.el7rhgs", "product_name": "Red Hat Gluster Storage 3.1 for RHEL 7", "release_date": "2016-04-12T00:00:00Z"}, {"advisory": "RHSA-2016:0614", "cpe": "cpe:/a:redhat:storage:3.1:samba:el7", "package": "libtalloc-0:2.1.5-1.el7rhgs", "product_name": "Red Hat Gluster Storage 3.1 for RHEL 7", "release_date": "2016-04-12T00:00:00Z"}, {"advisory": "RHSA-2016:0614", "cpe": "cpe:/a:redhat:storage:3.1:samba:el7", "package": "libtdb-0:1.3.8-1.el7rhgs", "product_name": "Red Hat Gluster Storage 3.1 for RHEL 7", "release_date": "2016-04-12T00:00:00Z"}, {"advisory": "RHSA-2016:0614", "cpe": "cpe:/a:redhat:storage:3.1:samba:el7", "package": "libtevent-0:0.9.26-1.el7rhgs", "product_name": "Red Hat Gluster Storage 3.1 for RHEL 7", "release_date": "2016-04-12T00:00:00Z"}, {"advisory": "RHSA-2016:0614", "cpe": "cpe:/a:redhat:storage:3.1:samba:el7", "package": "samba-0:4.2.11-2.el7rhgs", "product_name": "Red Hat Gluster Storage 3.1 for RHEL 7", "release_date": "2016-04-12T00:00:00Z"}], "bugzilla": {"description": "samba: Samba based active directory domain controller does not enforce smb signing", "id": "1312082", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1312082"}, "csaw": false, "cvss": {"cvss_base_score": "5.8", "cvss_scoring_vector": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "status": "verified"}, "cwe": "CWE-300", "details": ["The SMB1 protocol implementation in Samba 4.x before 4.2.11, 4.3.x before 4.3.8, and 4.4.x before 4.4.2 does not recognize the \"server signing = mandatory\" setting, which allows man-in-the-middle attackers to spoof SMB servers by modifying the client-server data stream.", "It was discovered that Samba did not enforce Server Message Block (SMB) signing for clients using the SMB1 protocol. A man-in-the-middle attacker could use this flaw to modify traffic between a client and a server."], "name": "CVE-2016-2114", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:4", "fix_state": "Not affected", "package_name": "samba", "product_name": "Red Hat Enterprise Linux 4"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "samba", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "samba3x", "product_name": "Red Hat Enterprise Linux 5"}, {"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:rhel_eus:5.6", "fix_state": "Not affected", "package_name": "samba", "product_name": "Red Hat Enterprise Linux Extended Update Support 5.6"}, {"cpe": "cpe:/o:redhat:rhel_eus:5.6", "fix_state": "Not affected", "package_name": "samba3x", "product_name": "Red Hat Enterprise Linux Extended Update Support 5.6"}, {"cpe": "cpe:/o:redhat:rhel_eus:5.9", "fix_state": "Not affected", "package_name": "samba", "product_name": "Red Hat Enterprise Linux Extended Update Support 5.9"}, {"cpe": "cpe:/o:redhat:rhel_eus:5.9", "fix_state": "Not affected", "package_name": "samba3x", "product_name": "Red Hat Enterprise Linux Extended Update Support 5.9"}, {"cpe": "cpe:/o:redhat:rhel_eus:6.2", "fix_state": "Not affected", "package_name": "samba", "product_name": "Red Hat Enterprise Linux Extended Update Support 6.2"}, {"cpe": "cpe:/o:redhat:rhel_eus:6.4", "fix_state": "Not affected", "package_name": "samba", "product_name": "Red Hat Enterprise Linux Extended Update Support 6.4"}, {"cpe": "cpe:/o:redhat:rhel_eus:6.5", "fix_state": "Not affected", "package_name": "samba", "product_name": "Red Hat Enterprise Linux Extended Update Support 6.5"}, {"cpe": "cpe:/o:redhat:rhel_eus:6.6", "fix_state": "Not affected", "package_name": "samba", "product_name": "Red Hat Enterprise Linux Extended Update Support 6.6"}], "public_date": "2016-04-12T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2016-2114\nhttps://nvd.nist.gov/vuln/detail/CVE-2016-2114\nhttps://access.redhat.com/articles/2243351"], "threat_severity": "Moderate"}

{}