Man-in-the-Middle (MitM) Affecting samba package, versions <0:4.6.2-11.el7_4


Severity

Recommended
medium

Based on CentOS security rating.

Threat Intelligence

EPSS
0.16% (53rd percentile)

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  • Snyk IDSNYK-CENTOS7-SAMBA-2091400
  • published26 Jul 2021
  • disclosed20 Sept 2017

Introduced: 20 Sep 2017

CVE-2017-12151  (opens in a new tab)
CWE-300  (opens in a new tab)

How to fix?

Upgrade Centos:7 samba to version 0:4.6.2-11.el7_4 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream samba package and not the samba package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

A flaw was found in the way samba client before samba 4.4.16, samba 4.5.14 and samba 4.6.8 used encryption with the max protocol set as SMB3. The connection could lose the requirement for signing and encrypting to any DFS redirects, allowing an attacker to read or alter the contents of the connection via a man-in-the-middle attack.