Design/Logic Flaw

2018-08-2214:29:00

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8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

7.9 High

AI Score

Confidence

High

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.006 Low

EPSS

Percentile

78.7%

JSON

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.

CPENameOperatorVersion
ubuntu_linuxeq16.04
ubuntu_linuxeq14.04
ubuntu_linuxeq18.04
enterprise_linux_desktopeq7.0
enterprise_linux_servereq7.0
enterprise_linux_workstationeq7.0
sambage4.8.0
sambalt4.8.4
sambage4.7.0
sambalt4.7.9

Name	Operator	Version
ubuntu_linux	eq	16.04
ubuntu_linux	eq	14.04
ubuntu_linux	eq	18.04
enterprise_linux_desktop	eq	7.0
enterprise_linux_server	eq	7.0
enterprise_linux_workstation	eq	7.0
samba	ge	4.8.0
samba	lt	4.8.4
samba	ge	4.7.0
samba	lt	4.7.9