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Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

CVE-2024-38986

High
9.8/10

Summary

Prototype Pollution in the package 75lb deep-merge version prior to 1.1.2 allows attackers to execute arbitrary code, cause a Denial of Service (DoS), and cause other impacts through the use of Lodash's merge methods.

  • LOW
  • NETWORK
  • HIGH
  • UNCHANGED
  • NONE
  • NONE
  • HIGH
  • HIGH

CWE-1321 - Prototype Pollution

Prototype pollution is one of the lesser-known vulnerabilities. It allows attackers to abuse the rules of JavaScript by injecting properties into the general object “Object” in JS. Modifying the prototype of “Object” affects the behavior of all objects in the entire app, potentially resulting in denial of service, arbitrary code execution, cross-site scripting, etc.

References

Advisory Timeline

  • Published