Incorrect Privilege Assignment Affecting cifs-utils package, versions <6.13-r0


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.67% (51st percentile)

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  • Snyk IDSNYK-ALPINE311-CIFSUTILS-1298130
  • published1 Jun 2021
  • 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 Alpine:3.11 cifs-utils to version 6.13-r0 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 Alpine. See How to fix? for Alpine:3.11 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