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  5. CVE-2021-33473

CVE-2021-33473: Arbitrary file write in dragonfly

June 2, 2022 (updated October 27, 2022)

An argument injection vulnerability in Dragonfly Ruby Gem v1.3.0 allows attackers to read and write arbitrary files when the verify_url option is disabled. This vulnerability is exploited via a crafted URL.

References

  • github.com/advisories/GHSA-fj34-jhjx-xmvv
  • github.com/markevans/dragonfly/commit/25399297bb457f7fcf8e3f91e85945b255b111b5
  • github.com/markevans/dragonfly/issues/513
  • nvd.nist.gov/vuln/detail/CVE-2021-33473

Code Behaviors & Features

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Affected versions

Version 1.3.0

Fixed versions

  • 1.4.0

Solution

Upgrade to version 1.4.0 or above.

Impact 9.1 CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Learn more about CVSS

Weakness

  • CWE-88: Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')

Source file

gem/dragonfly/CVE-2021-33473.yml

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