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CVE-2024-32976

Estado: ModificadaAlta (7.5)—

Envoy is a cloud-native, open source edge and service proxy. Envoyproxy with a Brotli filter can get into an endless loop during decompression of Brotli data with extra input.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Envoyproxy — Envoy

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2024-32976",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-32976",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-09-03T15:39:44.498942Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security-advisories@github.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "security-advisories@github.com",
      "affectedData": [
        {
          "vendor": "envoyproxy",
          "product": "envoy",
          "versions": [
            {
              "status": "affected",
              "version": ">= 1.30.0, <= 11.30.1"
            },
            {
              "status": "affected",
              "version": ">= 1.29.0, <= 1.29.4"
            },
            {
              "status": "affected",
              "version": ">= 1.28.0, <= 1.28.3"
            },
            {
              "status": "affected",
              "version": "> 1.18.0, <= 1.27.5"
            }
          ]
        }
      ]
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*"
          ],
          "vendor": "envoyproxy",
          "product": "envoy",
          "versions": [
            {
              "status": "affected",
              "version": "1.30.0",
              "versionType": "custom",
              "lessThanOrEqual": "1.30.1"
            },
            {
              "status": "affected",
              "version": "1.29.0",
              "versionType": "custom",
              "lessThanOrEqual": "1.29.4"
            },
            {
              "status": "affected",
              "version": "1.28.0",
              "versionType": "custom",
              "lessThanOrEqual": "1.28.3"
            },
            {
              "status": "affected",
              "version": "1.18.0",
              "versionType": "custom",
              "lessThanOrEqual": "1.27.5"
            }
          ],
          "defaultStatus": "unknown"
        }
      ]
    }
  ],
  "published": "2024-06-04T21:15:34.220",
  "references": [
    {
      "url": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-7wp5-c2vq-4f8m",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-7wp5-c2vq-4f8m",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security-advisories@github.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-835"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-835"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Envoy is a cloud-native, open source edge and service proxy. Envoyproxy with a Brotli filter can get into an endless loop during decompression of Brotli data with extra input."
    },
    {
      "lang": "es",
      "value": "Envoy es un proxy de servicio y borde de código abierto, nativo de la nube. Envoyproxy con un filtro Brotli puede entrar en un bucle sin fin durante la descompresión de datos Brotli con entrada adicional."
    }
  ],
  "lastModified": "2026-06-17T07:30:48.343",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "86B5BD80-6968-4E30-9380-7D0417432557",
              "versionEndExcluding": "1.27.6",
              "versionStartIncluding": "1.18.0"
            },
            {
              "criteria": "cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E5107DA5-4BC7-4AB8-8087-0DA20021D0B0",
              "versionEndExcluding": "1.28.4",
              "versionStartIncluding": "1.28.0"
            },
            {
              "criteria": "cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "34583FBC-8B38-4BBB-9E3B-7731272C0A6F",
              "versionEndExcluding": "1.29.5",
              "versionStartIncluding": "1.29.0"
            },
            {
              "criteria": "cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "65C0355B-7FAC-4417-B707-A3CA494C20A0",
              "versionEndExcluding": "1.30.2",
              "versionStartIncluding": "1.30.0"
            }
          ],
          "operator": "OR"
        }
      ]
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  ],
  "sourceIdentifier": "security-advisories@github.com"
}