Weakn encryption in Samba - CVE-2018-1139
Published: August 14, 2018
Vulnerability identifier: #VU14336
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-1139
CWE-ID: CWE-327
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vendor: Samba
Affected software:
Samba
Samba
Detailed vulnerability description
The vulnerability allows a remote attacker to bypass certain security restrictions.
The vulnerability exists due to an error that allows usage of NTLMv1 encryption protocol over SMB1 transport, even when NTLMv1 is explicitly disabled.
How to mitigate CVE-2018-1139
Update to version 4.7.9 or 4.8.4.