Information Exposure Affecting github.com/moby/moby/pkg/chrootarchive package, versions <20.10.9


Severity

Recommended
0.0
low
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.05% (20th percentile)

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  • Snyk IDSNYK-GOLANG-GITHUBCOMMOBYMOBYPKGCHROOTARCHIVE-1728021
  • published5 Oct 2021
  • disclosed5 Oct 2021
  • creditRuizhi Xiao, Lei Wang

Introduced: 5 Oct 2021

CVE-2021-41089  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade github.com/moby/moby/pkg/chrootarchive to version 20.10.9 or higher.

Overview

Affected versions of this package are vulnerable to Information Exposure. Attempting to copy files using docker cp into a specially-crafted container can result in Unix file permission changes for existing files in the host’s filesystem, widening access to others.

References

CVSS Scores

version 3.1