CVE-2024-5971
Full vulnerability record from the local CVENow database.
Description
A vulnerability was found in Undertow, where the chunked response hangs after the body was flushed. The response headers and body were sent but the client would continue waiting as Undertow does not send the expected 0\r\n termination of the chunked response. This results in uncontrolled resource consumption, leaving the server side to a denial of service attack. This happens only with Java 17 TLSv1.3 scenarios.
Severity
HIGH
CVSS score
7.5
(v3.1)
Vulnerability status
Deferred
Source identifier
Published
2024-07-08 21:15:12.480000
Last modified
2026-11-07 12:17:40.373000
View original CVE JSON
{
"id": "CVE-2024-5971",
"sourceIdentifier": "[email protected]",
"published": "2024-07-08T21:15:12.480",
"lastModified": "2026-11-07T12:17:40.373",
"vulnStatus": "Deferred",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability was found in Undertow, where the chunked response hangs after the body was flushed. The response headers and body were sent but the client would continue waiting as Undertow does not send the expected 0\\r\\n termination of the chunked response. This results in uncontrolled resource consumption, leaving the server side to a denial of service attack. This happens only with Java 17 TLSv1.3 scenarios."
},
{
"lang": "es",
"value": "Se encontró una vulnerabilidad en Undertow, donde la respuesta fragmentada se suspende después de que se lavó el cuerpo. Los encabezados y el cuerpo de la respuesta se enviaron, pero el cliente continuaría esperando ya que Undertow no envía la terminación 0\\r\\n esperada de la respuesta fragmentada. Esto da como resultado un consumo descontrolado de recursos, dejando al lado del servidor expuesto a un ataque de denegación de servicio. Esto sucede solo con escenarios Java 17 TLSv1.3."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
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},
{
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},
{
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{
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{
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{
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{
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{
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],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2024-07-09T14:48:10.532625Z",
"id": "CVE-2024-5971",
"options": [
{
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},
{
"automatable": "yes"
},
{
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}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-674"
}
]
}
],
"references": [
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"source": "[email protected]"
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{
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{
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},
{
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},
{
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"source": "[email protected]"
},
{
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},
{
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}