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CVE-2024-21509: mysql2 vulnerable to Prototype Poisoning

April 10, 2024 (updated April 12, 2024)

Versions of the package mysql2 before 3.9.4 are vulnerable to Prototype Poisoning due to insecure results object creation and improper user input sanitization passed through parserFn in text_parser.js and binary_parser.js.

References

  • blog.slonser.info/posts/mysql2-attacker-configuration
  • github.com/advisories/GHSA-49j4-86m8-q2jw
  • github.com/sidorares/node-mysql2
  • github.com/sidorares/node-mysql2/blob/fd3d117da82cc5c5fa5a3701d7b33ca77691bc61/lib/parsers/text_parser.js%23L134
  • github.com/sidorares/node-mysql2/commit/4a964a3910a4b8de008696c554ab1b492e9b4691
  • github.com/sidorares/node-mysql2/pull/2574
  • github.com/sidorares/node-mysql2/releases/tag/v3.9.4
  • nvd.nist.gov/vuln/detail/CVE-2024-21509
  • security.snyk.io/vuln/SNYK-JS-MYSQL2-6591084

Code Behaviors & Features

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Affected versions

All versions before 3.9.4

Fixed versions

  • 3.9.4

Solution

Upgrade to version 3.9.4 or above.

Impact 6.5 MEDIUM

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

Learn more about CVSS

Weakness

  • CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

Source file

npm/mysql2/CVE-2024-21509.yml

Spotted a mistake? Edit the file on GitLab.

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