CVE-2023-3347

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2023-3347", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "state": "PUBLISHED", "assignerShortName": "redhat", "dateReserved": "2023-06-21T04:43:49.434Z", "datePublished": "2023-07-20T14:54:05.525Z", "dateUpdated": "2026-11-07T05:01:33.544Z"}, "containers": {"cna": {"title": "Samba: smb2 packet signing is not enforced when \"server signing = required\" is set", "metrics": [{"other": {"content": {"value": "Moderate", "namespace": "https://access.redhat.com/security/updates/classification/"}, "type": "Red Hat severity rating"}}, {"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "format": "CVSS"}], "descriptions": [{"lang": "en", "value": "A vulnerability was found in Samba's SMB2 packet signing mechanism. The SMB2 packet signing is not enforced if an admin configured \"server signing = required\" or for SMB2 connections to Domain Controllers where SMB2 packet signing is mandatory. This flaw allows an attacker to perform attacks, such as a man-in-the-middle attack, by intercepting the network traffic and modifying the SMB2 messages between client and server, affecting the integrity of the data."}], "affected": [{"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "samba", "defaultStatus": "affected", "versions": [{"version": "0:4.17.5-3.el8_8", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:enterprise_linux:8::appstream", "cpe:/a:redhat:enterprise_linux:8::crb", "cpe:/o:redhat:enterprise_linux:8::baseos"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "samba", "defaultStatus": "affected", "versions": [{"version": "0:4.17.5-3.el8_8", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:enterprise_linux:8::appstream", "cpe:/a:redhat:enterprise_linux:8::crb", "cpe:/o:redhat:enterprise_linux:8::baseos"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "samba", "defaultStatus": "affected", "versions": [{"version": "0:4.17.5-103.el9_2", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:enterprise_linux:9::appstream", "cpe:/a:redhat:enterprise_linux:9::crb", "cpe:/a:redhat:enterprise_linux:9::resilientstorage", "cpe:/o:redhat:enterprise_linux:9::baseos"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "samba", "defaultStatus": "affected", "versions": [{"version": "0:4.17.5-103.el9_2", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:enterprise_linux:9::appstream", "cpe:/a:redhat:enterprise_linux:9::crb", "cpe:/a:redhat:enterprise_linux:9::resilientstorage", "cpe:/o:redhat:enterprise_linux:9::baseos"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 6", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "samba", "defaultStatus": "unaffected", "cpes": ["cpe:/o:redhat:rhel_els:6"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 6", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "samba4", "defaultStatus": "unaffected", "cpes": ["cpe:/o:redhat:rhel_els:6"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 7", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "samba", "defaultStatus": "unaffected", "cpes": ["cpe:/o:redhat:rhel_els:7"]}, {"vendor": "Red Hat", "product": "Red Hat Storage 3", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "samba", "defaultStatus": "unknown", "cpes": ["cpe:/a:redhat:storage:3"]}], "references": [{"url": "https://access.redhat.com/errata/RHSA-2023:4325", "name": "RHSA-2023:4325", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2023:4328", "name": "RHSA-2023:4328", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/security/cve/CVE-2023-3347", "tags": ["vdb-entry", "x_refsource_REDHAT"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2222792", "name": "RHBZ#2222792", "tags": ["issue-tracking", "x_refsource_REDHAT"]}, {"url": "https://www.samba.org/samba/security/CVE-2023-3347.html"}], "datePublic": "2023-07-19T00:00:00.000Z", "problemTypes": [{"descriptions": [{"cweId": "CWE-347", "description": "Improper Verification of Cryptographic Signature", "lang": "en", "type": "CWE"}]}], "x_redhatCweChain": "CWE-347: Improper Verification of Cryptographic Signature", "timeline": [{"lang": "en", "time": "2023-07-13T00:00:00.000Z", "value": "Reported to Red Hat."}, {"lang": "en", "time": "2023-07-19T00:00:00.000Z", "value": "Made public."}], "providerMetadata": {"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2026-11-07T05:01:33.544Z"}, "x_generator": {"engine": "cvelib 1.8.0"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2023-3347", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-04-25T13:37:21.160351Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-924", "description": "CWE-924 Improper Enforcement of Message Integrity During Transmission in a Communication Channel"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-04T17:17:36.560Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T06:55:03.149Z"}, "title": "CVE Program Container", "references": [{"url": "https://access.redhat.com/errata/RHSA-2023:4325", "name": "RHSA-2023:4325", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"]}, {"url": "https://access.redhat.com/errata/RHSA-2023:4328", "name": "RHSA-2023:4328", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"]}, {"url": "https://access.redhat.com/security/cve/CVE-2023-3347", "tags": ["vdb-entry", "x_refsource_REDHAT", "x_transferred"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2222792", "name": "RHBZ#2222792", "tags": ["issue-tracking", "x_refsource_REDHAT", "x_transferred"]}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BPCSGND7LO467AJGR5DYBGZLTCGTOBCC/", "tags": ["x_transferred"]}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OT74M42E6C36W7PQVY3OS4ZM7DVYB64Z/", "tags": ["x_transferred"]}, {"url": "https://security.netapp.com/advisory/ntap-20230731-0010/", "tags": ["x_transferred"]}, {"url": "https://www.debian.org/security/2023/dsa-5477", "tags": ["x_transferred"]}, {"url": "https://www.samba.org/samba/security/CVE-2023-3347.html", "tags": ["x_transferred"]}]}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://access.redhat.com/errata/RHSA-2023:4325", "name": "RHSA-2023:4325", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"]}, {"url": "https://access.redhat.com/errata/RHSA-2023:4328", "name": "RHSA-2023:4328", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"]}, {"url": "https://access.redhat.com/security/cve/CVE-2023-3347", "tags": ["vdb-entry", "x_refsource_REDHAT", "x_transferred"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2222792", "name": "RHBZ#2222792", "tags": ["issue-tracking", "x_refsource_REDHAT", "x_transferred"]}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BPCSGND7LO467AJGR5DYBGZLTCGTOBCC/", "tags": ["x_transferred"]}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OT74M42E6C36W7PQVY3OS4ZM7DVYB64Z/", "tags": ["x_transferred"]}, {"url": "https://security.netapp.com/advisory/ntap-20230731-0010/", "tags": ["x_transferred"]}, {"url": "https://www.debian.org/security/2023/dsa-5477", "tags": ["x_transferred"]}, {"url": "https://www.samba.org/samba/security/CVE-2023-3347.html", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T06:55:03.149Z"}}, {"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2023-3347", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-04-25T13:37:21.160351Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-924", "description": "CWE-924 Improper Enforcement of Message Integrity During Transmission in a Communication Channel"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-04-25T13:37:28.945Z"}, "title": "CISA ADP Vulnrichment"}], "cna": {"title": "Samba: smb2 packet signing is not enforced when \"server signing = required\" is set", "metrics": [{"other": {"type": "Red Hat severity rating", "content": {"value": "Moderate", "namespace": "https://access.redhat.com/security/updates/classification/"}}}, {"format": "CVSS", "cvssV3_1": {"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"}}], "affected": [{"cpes": ["cpe:/a:redhat:enterprise_linux:8::appstream", "cpe:/a:redhat:enterprise_linux:8::crb", "cpe:/o:redhat:enterprise_linux:8::baseos"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8", "versions": [{"status": "unaffected", "version": "0:4.17.5-3.el8_8", "lessThan": "*", "versionType": "rpm"}], "packageName": "samba", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:enterprise_linux:8::appstream", "cpe:/a:redhat:enterprise_linux:8::crb", "cpe:/o:redhat:enterprise_linux:8::baseos"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8", "versions": [{"status": "unaffected", "version": "0:4.17.5-3.el8_8", "lessThan": "*", "versionType": "rpm"}], "packageName": "samba", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:enterprise_linux:9::appstream", "cpe:/a:redhat:enterprise_linux:9::crb", "cpe:/a:redhat:enterprise_linux:9::resilientstorage", "cpe:/o:redhat:enterprise_linux:9::baseos"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "versions": [{"status": "unaffected", "version": "0:4.17.5-103.el9_2", "lessThan": "*", "versionType": "rpm"}], "packageName": "samba", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:enterprise_linux:9::appstream", "cpe:/a:redhat:enterprise_linux:9::crb", "cpe:/a:redhat:enterprise_linux:9::resilientstorage", "cpe:/o:redhat:enterprise_linux:9::baseos"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "versions": [{"status": "unaffected", "version": "0:4.17.5-103.el9_2", "lessThan": "*", "versionType": "rpm"}], "packageName": "samba", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/o:redhat:rhel_els:6"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 6", "packageName": "samba", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/o:redhat:rhel_els:6"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 6", "packageName": "samba4", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/o:redhat:rhel_els:7"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 7", "packageName": "samba", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:storage:3"], "vendor": "Red Hat", "product": "Red Hat Storage 3", "packageName": "samba", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unknown"}], "timeline": [{"lang": "en", "time": "2023-07-13T00:00:00.000Z", "value": "Reported to Red Hat."}, {"lang": "en", "time": "2023-07-19T00:00:00.000Z", "value": "Made public."}], "datePublic": "2023-07-19T00:00:00.000Z", "references": [{"url": "https://access.redhat.com/errata/RHSA-2023:4325", "name": "RHSA-2023:4325", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2023:4328", "name": "RHSA-2023:4328", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/security/cve/CVE-2023-3347", "tags": ["vdb-entry", "x_refsource_REDHAT"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2222792", "name": "RHBZ#2222792", "tags": ["issue-tracking", "x_refsource_REDHAT"]}, {"url": "https://www.samba.org/samba/security/CVE-2023-3347.html"}], "x_generator": {"engine": "cvelib 1.8.0"}, "descriptions": [{"lang": "en", "value": "A vulnerability was found in Samba's SMB2 packet signing mechanism. The SMB2 packet signing is not enforced if an admin configured \"server signing = required\" or for SMB2 connections to Domain Controllers where SMB2 packet signing is mandatory. This flaw allows an attacker to perform attacks, such as a man-in-the-middle attack, by intercepting the network traffic and modifying the SMB2 messages between client and server, affecting the integrity of the data."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-347", "description": "Improper Verification of Cryptographic Signature"}]}], "providerMetadata": {"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2026-11-07T05:01:33.544Z"}, "x_redhatCweChain": "CWE-347: Improper Verification of Cryptographic Signature"}}, "cveMetadata": {"cveId": "CVE-2023-3347", "state": "PUBLISHED", "dateUpdated": "2026-11-07T05:01:33.544Z", "dateReserved": "2023-06-21T04:43:49.434Z", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "datePublished": "2023-07-20T14:54:05.525Z", "assignerShortName": "redhat"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:enterprise_linux:8::appstream", "cpe:/a:redhat:enterprise_linux:8::crb", "cpe:/o:redhat:enterprise_linux:8::baseos"], "defaultStatus": "affected", "packageName": "samba", "product": "Red Hat Enterprise Linux 8", "vendor": "Red Hat", "versions": [{"lessThan": "*", "status": "unaffected", "version": "0:4.17.5-3.el8_8", "versionType": "rpm"}]}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:enterprise_linux:8::appstream", "cpe:/a:redhat:enterprise_linux:8::crb", "cpe:/o:redhat:enterprise_linux:8::baseos"], "defaultStatus": "affected", "packageName": "samba", "product": "Red Hat Enterprise Linux 8", "vendor": "Red Hat", "versions": [{"lessThan": "*", "status": "unaffected", "version": "0:4.17.5-3.el8_8", "versionType": "rpm"}]}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:enterprise_linux:9::appstream", "cpe:/a:redhat:enterprise_linux:9::crb", "cpe:/a:redhat:enterprise_linux:9::resilientstorage", "cpe:/o:redhat:enterprise_linux:9::baseos"], "defaultStatus": "affected", "packageName": "samba", "product": "Red Hat Enterprise Linux 9", "vendor": "Red Hat", "versions": [{"lessThan": "*", "status": "unaffected", "version": "0:4.17.5-103.el9_2", "versionType": "rpm"}]}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:enterprise_linux:9::appstream", "cpe:/a:redhat:enterprise_linux:9::crb", "cpe:/a:redhat:enterprise_linux:9::resilientstorage", "cpe:/o:redhat:enterprise_linux:9::baseos"], "defaultStatus": "affected", "packageName": "samba", "product": "Red Hat Enterprise Linux 9", "vendor": "Red Hat", "versions": [{"lessThan": "*", "status": "unaffected", "version": "0:4.17.5-103.el9_2", "versionType": "rpm"}]}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/o:redhat:rhel_els:6"], "defaultStatus": "unaffected", "packageName": "samba", "product": "Red Hat Enterprise Linux 6", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/o:redhat:rhel_els:6"], "defaultStatus": "unaffected", "packageName": "samba4", "product": "Red Hat Enterprise Linux 6", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/o:redhat:rhel_els:7"], "defaultStatus": "unaffected", "packageName": "samba", "product": "Red Hat Enterprise Linux 7", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:storage:3"], "defaultStatus": "unknown", "packageName": "samba", "product": "Red Hat Storage 3", "vendor": "Red Hat"}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*", "matchCriteriaId": "96A197EF-100E-4683-AA59-E0855CBCE38B", "versionEndExcluding": "4.17.10", "versionStartIncluding": "4.17.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*", "matchCriteriaId": "55333C2A-E0E6-40A7-B655-93F05D6745AD", "versionEndExcluding": "4.18.5", "versionStartIncluding": "4.18.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:redhat:storage:3.0:*:*:*:*:*:*:*", "matchCriteriaId": "379A5883-F6DF-41F5-9403-8D17F6605737", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "F4CFF558-3C47-480D-A2F0-BABF26042943", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "7F6FB57C-2BC7-487C-96DD-132683AEB35D", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*", "matchCriteriaId": "CC559B26-5DFC-4B7A-A27C-B77DE755DFF9", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability was found in Samba's SMB2 packet signing mechanism. The SMB2 packet signing is not enforced if an admin configured \"server signing = required\" or for SMB2 connections to Domain Controllers where SMB2 packet signing is mandatory. This flaw allows an attacker to perform attacks, such as a man-in-the-middle attack, by intercepting the network traffic and modifying the SMB2 messages between client and server, affecting the integrity of the data."}], "id": "CVE-2023-3347", "lastModified": "2026-11-07T05:17:45.583", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "secalert@redhat.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-3347", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-04-25T13:37:21.160351Z", "version": "2.0.3"}}]}, "published": "2023-07-20T15:15:11.940", "references": [{"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2023:4325"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2023:4328"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/security/cve/CVE-2023-3347"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2222792"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "https://www.samba.org/samba/security/CVE-2023-3347.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2023:4325"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2023:4328"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/security/cve/CVE-2023-3347"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2222792"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BPCSGND7LO467AJGR5DYBGZLTCGTOBCC/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OT74M42E6C36W7PQVY3OS4ZM7DVYB64Z/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.netapp.com/advisory/ntap-20230731-0010/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.debian.org/security/2023/dsa-5477"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.samba.org/samba/security/CVE-2023-3347.html"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-347"}], "source": "secalert@redhat.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-924"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"affected_release": [{"advisory": "RHSA-2023:4328", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "samba-0:4.17.5-3.el8_8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2023-07-31T00:00:00Z"}, {"advisory": "RHSA-2023:4328", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "samba-0:4.17.5-3.el8_8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2023-07-31T00:00:00Z"}, {"advisory": "RHSA-2023:4325", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "samba-0:4.17.5-103.el9_2", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-07-31T00:00:00Z"}, {"advisory": "RHSA-2023:4325", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "samba-0:4.17.5-103.el9_2", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-07-31T00:00:00Z"}], "bugzilla": {"description": "samba: SMB2 packet signing is not enforced when \"server signing = required\" is set", "id": "2222792", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2222792"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.9", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N", "status": "verified"}, "cwe": "CWE-347", "details": ["A vulnerability was found in Samba's SMB2 packet signing mechanism. The SMB2 packet signing is not enforced if an admin configured \"server signing = required\" or for SMB2 connections to Domain Controllers where SMB2 packet signing is mandatory. This flaw allows an attacker to perform attacks, such as a man-in-the-middle attack, by intercepting the network traffic and modifying the SMB2 messages between client and server, affecting the integrity of the data.", "A vulnerability was found in Samba's SMB2 packet signing mechanism. The SMB2 packet signing is not enforced if an admin configured \"server signing = required\" or for SMB2 connections to Domain Controllers where SMB2 packet signing is mandatory. This flaw allows an attacker to perform attacks, such as a man-in-the-middle attack, by intercepting the network traffic and modifying the SMB2 messages between client and server, affecting the integrity of the data."], "name": "CVE-2023-3347", "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:6", "fix_state": "Not affected", "package_name": "samba4", "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:/a:redhat:storage:3", "fix_state": "Affected", "package_name": "samba", "product_name": "Red Hat Storage 3"}], "public_date": "2023-07-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-3347\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-3347\nhttps://www.samba.org/samba/security/CVE-2023-3347.html"], "statement": "This CVE only affects Samba starting with 4.17.0 and higher versions.", "threat_severity": "Moderate"}

{}