CVE-2024-4027
HIGH
GHSA-33hj-rcmx-86mv
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Lifecycle Timeline
3Description
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.
Analysis
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. [CVSS 7.5 HIGH]
Technical Context
Classified as CWE-20 (Improper Input Validation). 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.
Affected Products
Undertow
Remediation
Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.
Priority Score
Vendor Status
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External POC / Exploit Code
Leaving vuln.today