Improper Authentication Affecting samba-winbind-krb5-locator package, versions <0:4.11.6-114.el7rhgs


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.33% (72nd percentile)

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  • Snyk IDSNYK-RHEL7-SAMBAWINBINDKRB5LOCATOR-4455813
  • published11 Nov 2021
  • disclosed9 Nov 2021

Introduced: 9 Nov 2021

CVE-2016-2124  (opens in a new tab)
CWE-287  (opens in a new tab)

How to fix?

Upgrade RHEL:7 samba-winbind-krb5-locator to version 0:4.11.6-114.el7rhgs or higher.
This issue was patched in RHSA-2021:4844.

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 implemented SMB1 authentication. An attacker could use this flaw to retrieve the plaintext password sent over the wire even if Kerberos authentication was required.

CVSS Scores

version 3.1