CVE-2018-1139

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Source
https://cve.org/CVERecord?id=CVE-2018-1139
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-1139.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2018-1139
Downstream
Related
Published
2018-08-22T14:29:00.363Z
Modified
2026-03-20T11:23:03.732476Z
Severity
  • 8.1 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

A flaw was found in the way samba before 4.7.9 and 4.8.4 allowed the use of weak NTLMv1 authentication even when NTLMv1 was explicitly disabled. A man-in-the-middle attacker could use this flaw to read the credential and other details passed between the samba server and client.

References

Affected packages

Git / github.com/samba-team/samba

Affected ranges

Type
GIT
Repo
https://github.com/samba-team/samba
Events
Introduced
d1e69845e28c20a491c4cd60c712b46ddfcb9dc0
Fixed
3e5da7e8878a78da96fbdccd05953c791560a6b5
Introduced
5a9d09fee44052e18ce241ec28f78498d2e20d73
Fixed
626c489c2c879aef8b82efe9f7e832cca0183f4d
Database specific 
{
    "versions": [
        {
            "introduced": "4.7.0"
        },
        {
            "fixed": "4.7.9"
        },
        {
            "introduced": "4.8.0"
        },
        {
            "fixed": "4.8.4"
        }
    ]
}

Affected versions

ldb-1.*
ldb-1.2.3
ldb-1.3.3
ldb-1.3.4
ldb-1.3.5
samba-4.*
samba-4.7.0
samba-4.7.1
samba-4.7.2
samba-4.7.3
samba-4.7.4
samba-4.7.5
samba-4.7.6
samba-4.7.7
samba-4.7.8
samba-4.8.0
samba-4.8.1
samba-4.8.2
samba-4.8.3

Database specific

unresolved_ranges 
[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "14.04"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "16.04"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "18.04"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "7.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "7.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "7.0"
            }
        ]
    }
]
source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-1139.json"