Privilege Escalation Affecting piastry/cifs-utils package, versions [4.0,6.13)


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.64% (46th percentile)

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  • Snyk IDSNYK-UNMANAGED-PIASTRYCIFSUTILS-2366931
  • published26 Jan 2022
  • disclosed19 Apr 2021
  • creditUnknown

Introduced: 19 Apr 2021

CVE-2021-20208  (opens in a new tab)
CWE-266  (opens in a new tab)
CWE-269  (opens in a new tab)

How to fix?

Upgrade piastry/cifs-utils to version 6.13 or higher.

Overview

Affected versions of this package are vulnerable to Privilege Escalation. 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.

References

CVSS Base Scores

version 3.1