Vulnerabilities

 1 via 1 paths

Dependencies

 36

Source

 npm
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Severity
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Status
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critical severity
new

Arbitrary File Upload

  • Vulnerable module: formidable
  • Introduced through: superagent@3.8.3

Detailed paths

  • Introduced through: fullcalendar@4.0.0-alpha.3 › superagent@3.8.3 › formidable@1.2.6

Overview

Affected versions of this package are vulnerable to Arbitrary File Upload which allows attackers to execute arbitrary code via a crafted filename.

Note:

The conditions to be vulnerable are as follows:

  1. eval (user input) file name as code

  2. use the keepextension option

  3. use Linux or =iOS (where <>` are valid file chars)

  4. not using the filename option, or using it without validating user input

    Remediation

    Upgrade formidable to version 3.2.4 or higher.

    References

Arbitrary File Upload vulnerability report