{
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2024-1892"
      ],
      "details": "Parts of the Scrapy API were found to be vulnerable to a ReDoS attack. Handling a malicious response could cause extreme CPU and memory usage during the parsing of its content, due to the use of vulnerable regular expressions for that parsing.",
      "id": "GSD-2024-1892",
      "modified": "2024-02-27T06:02:29.514777Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "security@huntr.com",
        "ID": "CVE-2024-1892",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "scrapy/scrapy",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_name": "unspecified",
                          "version_value": "2.11"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "scrapy"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "A Regular Expression Denial of Service (ReDoS) vulnerability exists in the XMLFeedSpider class of the scrapy/scrapy project, specifically in the parsing of XML content. By crafting malicious XML content that exploits inefficient regular expression complexity used in the parsing process, an attacker can cause a denial-of-service (DoS) condition. This vulnerability allows for the system to hang and consume significant resources, potentially rendering services that utilize Scrapy for XML processing unresponsive."
          }
        ]
      },
      "impact": {
        "cvss": [
          {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.0"
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "cweId": "CWE-1333",
                "lang": "eng",
                "value": "CWE-1333 Inefficient Regular Expression Complexity"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://huntr.com/bounties/271f94f2-1e05-4616-ac43-41752389e26b",
            "refsource": "MISC",
            "url": "https://huntr.com/bounties/271f94f2-1e05-4616-ac43-41752389e26b"
          },
          {
            "name": "https://github.com/scrapy/scrapy/commit/479619b340f197a8f24c5db45bc068fb8755f2c5",
            "refsource": "MISC",
            "url": "https://github.com/scrapy/scrapy/commit/479619b340f197a8f24c5db45bc068fb8755f2c5"
          }
        ]
      },
      "source": {
        "advisory": "271f94f2-1e05-4616-ac43-41752389e26b",
        "discovery": "EXTERNAL"
      }
    },
    "nvd.nist.gov": {
      "cve": {
        "descriptions": [
          {
            "lang": "en",
            "value": "A Regular Expression Denial of Service (ReDoS) vulnerability exists in the XMLFeedSpider class of the scrapy/scrapy project, specifically in the parsing of XML content. By crafting malicious XML content that exploits inefficient regular expression complexity used in the parsing process, an attacker can cause a denial-of-service (DoS) condition. This vulnerability allows for the system to hang and consume significant resources, potentially rendering services that utilize Scrapy for XML processing unresponsive."
          },
          {
            "lang": "es",
            "value": "Se descubri\u00f3 que partes de la API Scrapy eran vulnerables a un ataque ReDoS. Manejar una respuesta maliciosa podr\u00eda causar un uso extremo de CPU y memoria durante el an\u00e1lisis de su contenido, debido al uso de expresiones regulares vulnerables para ese an\u00e1lisis."
          }
        ],
        "id": "CVE-2024-1892",
        "lastModified": "2024-04-16T12:15:10.050",
        "metrics": {
          "cvssMetricV30": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 7.5,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                "version": "3.0"
              },
              "exploitabilityScore": 3.9,
              "impactScore": 3.6,
              "source": "security@huntr.dev",
              "type": "Secondary"
            }
          ]
        },
        "published": "2024-02-28T00:15:53.897",
        "references": [
          {
            "source": "security@huntr.dev",
            "url": "https://github.com/scrapy/scrapy/commit/479619b340f197a8f24c5db45bc068fb8755f2c5"
          },
          {
            "source": "security@huntr.dev",
            "url": "https://huntr.com/bounties/271f94f2-1e05-4616-ac43-41752389e26b"
          }
        ],
        "sourceIdentifier": "security@huntr.dev",
        "vulnStatus": "Awaiting Analysis",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-1333"
              }
            ],
            "source": "security@huntr.dev",
            "type": "Primary"
          }
        ]
      }
    }
  }
}