NULL Pointer Dereference Affecting samba package, versions <0:4.10.16-9.56.amzn1


Severity

Recommended
critical

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.06% (28th percentile)

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  • Snyk IDSNYK-AMZN201803-SAMBA-1725350
  • published27 Sept 2021
  • disclosed29 Oct 2020

Introduced: 29 Oct 2020

CVE-2020-14323  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 samba to version 0:4.10.16-9.56.amzn1 or higher.
This issue was patched in ALAS-2021-1469.

NVD Description

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

A null pointer dereference flaw was found in samba's Winbind service in versions before 4.11.15, before 4.12.9 and before 4.13.1. A local user could use this flaw to crash the winbind service causing denial of service.

CVSS Scores

version 3.1