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Improper Input Validation in io.undertow:undertow-core

CVE-2024-4027

  • io.undertow:undertow-core
High
7.5/10

Summary

A flaw was found in Undertow. Servlets using a method that calls "HttpServletRequestImpl.getParameterNames()" can cause an OutOfMemoryError when the client sends a request with large parameter names. This issue can be exploited by an unauthorized user to cause a remote Denial-of-Service (DoS) attack. Versions prior to 2.2.39.Final, 2.3.x.final prior to 2.3.21.Final and 2.4.0.Alpha1 are affected.

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

CWE-20 - Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

References

Advisory Timeline

  • Published