Cryptographic Issues Affecting samba-client package, versions <0:4.6.2-11.36.amzn1


Severity

Recommended
medium

Based on Amazon Linux security rating.

Threat Intelligence

Exploit Maturity
Not Defined
EPSS
0.16% (54th percentile)

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  • Snyk IDSNYK-AMZN201803-SAMBACLIENT-1708523
  • published27 Sept 2021
  • disclosed27 Jul 2018

Introduced: 27 Jul 2018

CVE-2017-12151  (opens in a new tab)
CWE-310  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 samba-client to version 0:4.6.2-11.36.amzn1 or higher.
This issue was patched in ALAS-2017-909.

NVD Description

Note: Versions mentioned in the description apply only to the upstream samba-client package and not the samba-client package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 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.