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  5. CVE-2021-28860

CVE-2021-28860: Prototype Pollution

May 3, 2021 (updated February 14, 2024)

An attacker can add or alter properties of an object via __proto__ through the mutate() and merge() functions. The polluted attribute will be directly assigned to every object in the program. This will put the availability of the program at risk causing a potential denial of service (DoS).

References

  • github.com/adaltas/node-mixme/issues/1
  • nvd.nist.gov/vuln/detail/CVE-2021-28860

Code Behaviors & Features

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Affected versions

All versions before 0.5.1

Fixed versions

  • 0.5.1

Solution

Upgrade to version 0.5.1 or above.

Impact 9.1 CRITICAL

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

Learn more about CVSS

Weakness

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

Source file

npm/mixme/CVE-2021-28860.yml

Spotted a mistake? Edit the file on GitLab.

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