{ "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": "2025-11-20T17:26:17.194Z" }, "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. 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"unaffected" } ], "cpes": [ "cpe:/o:redhat:enterprise_linux:8::baseos", "cpe:/a:redhat:enterprise_linux:8::appstream", "cpe:/a:redhat:enterprise_linux:8::crb" ] }, { "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:/o:redhat:enterprise_linux:9::baseos", "cpe:/a:redhat:enterprise_linux:9::crb", "cpe:/a:redhat:enterprise_linux:9::resilientstorage" ] }, { "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": 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"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": "2025-11-20T17:26:17.194Z" } }, "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": 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