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

CVE-2022-4742

Severity High
Score 9.8/10

Summary

A vulnerability, which was classified as critical, has been found in json-pointer versions prior to 0.6.2. Affected by this issue is the function "set" of the file "index.js". The manipulation leads to improperly controlled modification of object prototype attributes ('prototype pollution'). The attack may be launched remotely. It is recommended to apply a patch to fix this issue. VDB-216794 is the identifier assigned to this vulnerability.

  • 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.

Advisory Timeline

  • Published