Incorrect Privilege Assignment Affecting cifs-utils package, versions <2:6.9-1ubuntu0.2


Severity

Recommended
low

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.64% (46th percentile)

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  • Snyk IDSNYK-UBUNTU2004-CIFSUTILS-1252586
  • published13 May 2022
  • disclosed19 Apr 2021

Introduced: 19 Apr 2021

CVE-2021-20208  (opens in a new tab)
CWE-266  (opens in a new tab)

How to fix?

Upgrade Ubuntu:20.04 cifs-utils to version 2:6.9-1ubuntu0.2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream cifs-utils package and not the cifs-utils package as distributed by Ubuntu. See How to fix? for Ubuntu:20.04 relevant fixed versions and status.

A flaw was found in cifs-utils in versions before 6.13. A user when mounting a krb5 CIFS file system from within a container can use Kerberos credentials of the host. The highest threat from this vulnerability is to data confidentiality and integrity.

CVSS Base Scores

version 3.1