CVE-2018-1139

CVSS V2 Medium 4.3 CVSS V3 High 8.1
Description
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.
Overview
  • CVE ID
  • CVE-2018-1139
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2018-08-22T14:29:00
  • Last Modified Date
  • 2022-08-29T20:43:00
Weakness Enumerations
CWE URL
CWE-522 http://cwe.mitre.org/data/definitions/522.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* 1 OR 4.7.0 4.7.9
cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* 1 OR 4.8.0 4.8.4
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:P/I:N/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 4.3
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • HIGH
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 8.1
  • Base Severity
  • HIGH
  • Exploitability Score
  • 2.2
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://www.samba.org/samba/security/CVE-2018-1139.html Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1139 Issue Tracking Third Party Advisory
https://usn.ubuntu.com/3738-1/ Third Party Advisory
https://security.netapp.com/advisory/ntap-20180814-0001/ Third Party Advisory
http://www.securityfocus.com/bid/105084 Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2018:2613 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2612 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3056 Third Party Advisory
https://security.gentoo.org/glsa/202003-52
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2018-1139
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1139
History
Created Old Value New Value Data Type Notes
2022-05-10 17:05:03 Added to TrackCVE
2022-12-03 11:22:37 2018-08-22T14:29Z 2018-08-22T14:29:00 CVE Published Date updated
2022-12-03 11:22:37 2022-08-29T20:43:00 CVE Modified Date updated
2022-12-03 11:22:37 Analyzed Vulnerability Status updated