CVE-2018-1139

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.

CVSS v3.0 8.1 HIGH
CVSS v2.0 4.3 MEDIUM

8.1^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 2.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:N/A:N

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
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	Third Party Advisory

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:samba:samba::::::::
	cpe:2.3:a:samba:samba::::::::

Configuration 2 (hide)

OR	cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server:7.0:::::::*
	cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts:::

Information

Published : 2018-08-22 07:29

Updated : 2022-08-29 13:43

NVD link : CVE-2018-1139

Mitre link : CVE-2018-1139

JSON object : View

CWE

CWE-522

Insufficiently Protected Credentials

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Products Affected

redhat

enterprise_linux_desktop
enterprise_linux_workstation
enterprise_linux_server

canonical

ubuntu_linux

samba

samba

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