Directory Traversal Affecting ruby package, versions <2.7.3-r0


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.43% (75th percentile)

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  • Snyk IDSNYK-ALPINE312-RUBY-1535485
  • published2 Aug 2021
  • disclosed30 Jul 2021

Introduced: 30 Jul 2021

CVE-2021-28966  (opens in a new tab)
CWE-22  (opens in a new tab)

How to fix?

Upgrade Alpine:3.12 ruby to version 2.7.3-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ruby package and not the ruby package as distributed by Alpine. See How to fix? for Alpine:3.12 relevant fixed versions and status.

In Ruby through 3.0 on Windows, a remote attacker can submit a crafted path when a Web application handles a parameter with TmpDir.

CVSS Scores

version 3.1