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vuln-cve/data/2023/3xxx/CVE-2023-3347.json
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{
"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/"
},
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}
},
{
"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"
},
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{
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"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."
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},
{
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},
{
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{
"vendor": "Red Hat",
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],
"references": [
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"name": "RHSA-2023:4325",
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]
},
{
"url": "https://access.redhat.com/errata/RHSA-2023:4328",
"name": "RHSA-2023:4328",
"tags": [
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},
{
"url": "https://access.redhat.com/security/cve/CVE-2023-3347",
"tags": [
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]
},
{
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2222792",
"name": "RHBZ#2222792",
"tags": [
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]
},
{
"url": "https://www.samba.org/samba/security/CVE-2023-3347.html"
}
],
"datePublic": "2023-07-19T00:00:00.000Z",
"problemTypes": [
{
"descriptions": [
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"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."
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],
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"dateUpdated": "2026-11-07T05:01:33.544Z"
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},
"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": [
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"type": "CWE",
"cweId": "CWE-924",
"description": "CWE-924 Improper Enforcement of Message Integrity During Transmission in a Communication Channel"
}
]
}
],
"providerMetadata": {
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{
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{
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{
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{
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]
}
}
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