{ "id": "CVE-2015-5296", "sourceIdentifier": "secalert@redhat.com", "published": "2015-12-29T22:59:02.247", "lastModified": "2022-08-29T20:06:57.570", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "Samba 3.x and 4.x before 4.1.22, 4.2.x before 4.2.7, and 4.3.x before 4.3.3 supports connections that are encrypted but unsigned, which allows man-in-the-middle attackers to conduct encrypted-to-unencrypted downgrade attacks by modifying the client-server data stream, related to clidfs.c, libsmb_server.c, and smbXcli_base.c." }, { "lang": "es", "value": "Samba 3.x y 4.x en versiones anteriores a 4.1.22, 4.2.x en versiones anteriores a 4.2.7 y 4.3.x en versiones anteriores a 4.3.3 admite conexiones que est\u00e1n cifradas pero no firmadas, lo que permite a atacantes man-in-the-middle llevar a cabo un ataque de degradaci\u00f3n de cifrado-a-descifrado modificando el flujo de datos cliente-servidor, relacionado con clidfs.c, libsmb_server.c y smbXcli_base.c." } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 2.2, "impactScore": 2.7 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "accessVector": "NETWORK", "accessComplexity": "MEDIUM", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "availabilityImpact": "NONE", "baseScore": 4.3 }, "baseSeverity": "MEDIUM", "exploitabilityScore": 8.6, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-20" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.2.0", "versionEndExcluding": "4.1.22", "matchCriteriaId": "B2B09153-EB3D-4DBB-BA55-C021359F0D8D" }, { "vulnerable": true, "criteria": "cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.2.0", "versionEndExcluding": "4.2.7", "matchCriteriaId": "AEE374EB-8CEF-4E2E-B323-22397E34BD4A" }, { "vulnerable": true, "criteria": "cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.3.0", "versionEndExcluding": "4.3.3", "matchCriteriaId": "6683E050-3788-41B4-BA5D-32ACDFE79648" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*", "matchCriteriaId": "16F59A04-14CF-49E2-9973-645477EA09DA" }, { "vulnerable": true, "criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*", "matchCriteriaId": "CB66DB75-2B16-4EBF-9B93-CE49D8086E41" }, { "vulnerable": true, "criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*", "matchCriteriaId": "815D70A8-47D3-459C-A32C-9FEACA0659D1" }, { "vulnerable": true, "criteria": "cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:*", "matchCriteriaId": "F38D3B7E-8429-473F-BB31-FC3583EE5A5B" }, { "vulnerable": true, "criteria": "cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*", "matchCriteriaId": "E88A537F-F4D0-46B9-9E37-965233C2A355" } ] } ] } ], "references": [ { "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174076.html", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174391.html", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00019.html", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00020.html", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00032.html", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00033.html", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00002.html", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00017.html", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00042.html", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00047.html", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00048.html", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "http://www.debian.org/security/2016/dsa-3433", "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ] }, { "url": "http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html", "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ] }, { "url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html", "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ] }, { "url": "http://www.securityfocus.com/bid/79732", "source": "secalert@redhat.com", "tags": [ "Third Party Advisory", "VDB Entry" ] }, { "url": "http://www.securitytracker.com/id/1034493", "source": "secalert@redhat.com", "tags": [ "Third Party Advisory", "VDB Entry" ] }, { "url": "http://www.ubuntu.com/usn/USN-2855-1", "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ] }, { "url": "http://www.ubuntu.com/usn/USN-2855-2", "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ] }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1290292", "source": "secalert@redhat.com", "tags": [ "Issue Tracking", "Third Party Advisory" ] }, { "url": "https://git.samba.org/?p=samba.git;a=commit;h=1ba49b8f389eda3414b14410c7fbcb4041ca06b1", "source": "secalert@redhat.com", "tags": [ "Patch", "Vendor Advisory" ] }, { "url": "https://git.samba.org/?p=samba.git;a=commit;h=a819d2b440aafa3138d95ff6e8b824da885a70e9", "source": "secalert@redhat.com", "tags": [ "Patch", "Vendor Advisory" ] }, { "url": "https://git.samba.org/?p=samba.git;a=commit;h=d724f835acb9f4886c0001af32cd325dbbf1f895", "source": "secalert@redhat.com", "tags": [ "Patch", "Vendor Advisory" ] }, { "url": "https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05115993", "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ] }, { "url": "https://security.gentoo.org/glsa/201612-47", "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ] }, { "url": "https://www.samba.org/samba/security/CVE-2015-5296.html", "source": "secalert@redhat.com", "tags": [ "Vendor Advisory" ] } ] }