NetSight
high8.1

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.

Impact

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.

Affected products

VendorProductAffected versions
SambaSamba
from 4.7.0 before 4.7.9
from 4.8.0 before 4.8.4
CanonicalUbuntu Linux
Versions 14.04, 16.04, 18.04
RedhatEnterprise Linux Desktop
Version 7.0
RedhatEnterprise Linux Server
Version 7.0
RedhatEnterprise Linux Workstation
Version 7.0

Weakness classification

References