High
Security advisory
It was found that samba before 4.4.16, 4.5.x before 4.5.14, and 4.6.x before 4.6.8 did not enforce "SMB signing" when certain configuration options were enabled. A remote attacker could launch a man-in-the-middle attack and retrieve information in plain-text.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2017-12150
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 05:27 UTC · Revision 1
Source evidence
It was found that samba before 4.4.16, 4.5.x before 4.5.14, and 4.6.x before 4.6.8 did not enforce "SMB signing" when certain configuration options were enabled. A remote attacker could launch a man-in-the-middle attack and retrieve information in plain-text.
osv:CVE-2017-12150
Complete source record
{
"id": "641f0001eb087d486449237416076be4e3dbb88eb4aae0ac34f0236c95636a27",
"url": "https://osv.dev/vulnerability/CVE-2017-12150",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2017-12150",
"summary": "It was found that samba before 4.4.16, 4.5.x before 4.5.14, and 4.6.x before 4.6.8 did not enforce \"SMB signing\" when certain configuration options were enabled. A remote attacker could launch a man-in-the-middle attack and retrieve information in plain-text.",
"evidence": "osv:CVE-2017-12150",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2017-12150",
"aliases": [
"CVE-2017-12150"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/samba-team/samba",
"type": "GIT",
"events": [
{
"introduced": "ad4be8a01adacd96c5f0fe1bb87a170ab88d2b88"
},
{
"fixed": "89edb76883be2d19f490ea9b5d898ac37f8b60f1"
},
{
"introduced": "916fab083a8cb5c10365da7f3a85d0bbfde4a30e"
},
{
"fixed": "f261c9a5ef07a0a4230b891b2585c5f21945e196"
},
{
"introduced": "f17816a4ae2bb0ed45561347a4c578ca9ab28ccf"
},
{
"fixed": "be2ffca00a983bc3e599e0eb84ab35c517e9d07c"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "3.0.25"
},
{
"fixed": "4.4.16"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "4.5.0"
},
{
"fixed": "4.5.14"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "4.6.0"
},
{
"fixed": "4.6.8"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"samba-4.5.13",
"samba-4.6.7",
"samba-4.5.12",
"samba-4.5.11",
"samba-4.6.5",
"samba-4.6.3",
"samba-4.5.9",
"samba-4.6.0",
"samba-4.5.6",
"samba-4.5.5",
"samba-4.5.4",
"samba-4.5.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-12150.json"
}
}
],
"modified": "2026-10-24T10:30:29.041405280Z",
"provider": "osv",
"references": [
"https://access.redhat.com/errata/RHSA-2017:2789",
"https://access.redhat.com/errata/RHSA-2017:2790",
"https://access.redhat.com/errata/RHSA-2017:2791",
"https://access.redhat.com/errata/RHSA-2017:2858",
"https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbns03775en_us",
"https://security.netapp.com/advisory/ntap-20170921-0001/",
"https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03817en_us",
"https://www.debian.org/security/2017/dsa-3983",
"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-12150",
"https://www.samba.org/samba/security/CVE-2017-12150.html"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
],
"vendor_product": "debian:debian_linux",
"extracted_events": [
{
"range": [
{
"introduced": "8.0"
},
{
"last_affected": "8.0"
},
{
"introduced": "9.0"
},
{
"last_affected": "9.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*",
"cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*"
],
"vendor_product": "redhat:enterprise_linux_desktop",
"extracted_events": [
{
"range": [
{
"introduced": "6.0"
},
{
"last_affected": "6.0"
},
{
"introduced": "7.0"
},
{
"last_affected": "7.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*",
"cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*"
],
"vendor_product": "redhat:enterprise_linux_server",
"extracted_events": [
{
"range": [
{
"introduced": "6.0"
},
{
"last_affected": "6.0"
},
{
"introduced": "7.0"
},
{
"last_affected": "7.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*",
"cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*"
],
"vendor_product": "redhat:enterprise_linux_workstation",
"extracted_events": [
{
"range": [
{
"introduced": "6.0"
},
{
"last_affected": "6.0"
},
{
"introduced": "7.0"
},
{
"last_affected": "7.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:redhat:gluster_storage:3.0:*:*:*:*:*:*:*"
],
"vendor_product": "redhat:gluster_storage",
"extracted_events": [
{
"range": [
{
"introduced": "3.0"
},
{
"last_affected": "3.0"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2017-12150",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 432207,
"published_at": "2018-07-26T18:29:00.213+00:00"
}