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Man-in-the-Middle (MitM) Affecting samba-winbind-krb5-locator package, versions <0:4.6.2-11.el7_4

Severity

 Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.22% (62nd percentile)

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  • Snyk IDSNYK-RHEL7-SAMBAWINBINDKRB5LOCATOR-4728209
  • published26 Jul 2021
  • disclosed20 Sept 2017
Report a new vulnerability Found a mistake?

Introduced: 20 Sep 2017

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

How to fix?

Upgrade RHEL:7 samba-winbind-krb5-locator to version 0:4.6.2-11.el7_4 or higher.
This issue was patched in RHSA-2017:2790.

NVD Description

Note: Versions mentioned in the description apply only to the upstream samba-winbind-krb5-locator package and not the samba-winbind-krb5-locator package as distributed by RHEL. See How to fix? for RHEL: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.