Improper Null Termination Affecting libsmbclient package, versions <0:4.13.3-3.el8


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.06% (27th percentile)

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  • Snyk IDSNYK-RHEL8-LIBSMBCLIENT-3982262
  • published26 Jul 2021
  • disclosed29 Oct 2020

Introduced: 29 Oct 2020

CVE-2020-14323  (opens in a new tab)
CWE-170  (opens in a new tab)

How to fix?

Upgrade RHEL:8 libsmbclient to version 0:4.13.3-3.el8 or higher.
This issue was patched in RHSA-2021:1647.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libsmbclient package and not the libsmbclient package as distributed by RHEL. See How to fix? for RHEL:8 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