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GSD-2020-5207

Vulnerability from gsd - Updated: 2023-12-13 01:22
Details
In Ktor before 1.3.0, request smuggling is possible when running behind a proxy that doesn't handle Content-Length and Transfer-Encoding properly or doesn't handle \n as a headers separator.
Aliases
Aliases

{
  "GSD": {
    "alias": "CVE-2020-5207",
    "description": "In Ktor before 1.3.0, request smuggling is possible when running behind a proxy that doesn\u0027t handle Content-Length and Transfer-Encoding properly or doesn\u0027t handle \\n as a headers separator.",
    "id": "GSD-2020-5207"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-5207"
      ],
      "details": "In Ktor before 1.3.0, request smuggling is possible when running behind a proxy that doesn\u0027t handle Content-Length and Transfer-Encoding properly or doesn\u0027t handle \\n as a headers separator.",
      "id": "GSD-2020-5207",
      "modified": "2023-12-13T01:22:03.440883Z",
      "schema_version": "1.4.0"
    }
  },
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        "ID": "CVE-2020-5207",
        "STATE": "PUBLIC",
        "TITLE": "Request smuggling is possible in Ktor when both chunked TE and content length specified"
      },
      "affects": {
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          "vendor_data": [
            {
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                "product_data": [
                  {
                    "product_name": "Ktor",
                    "version": {
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            }
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          }
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      },
      "impact": {
        "cvss": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
          "version": "3.1"
        }
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "CWE-444 Inconsistent Interpretation of HTTP Requests (\u0027HTTP Request Smuggling\u0027)"
              }
            ]
          }
        ]
      },
      "references": {
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          {
            "name": "https://github.com/ktorio/ktor/security/advisories/GHSA-xrr9-rh8p-433v",
            "refsource": "CONFIRM",
            "url": "https://github.com/ktorio/ktor/security/advisories/GHSA-xrr9-rh8p-433v"
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          {
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            "refsource": "MISC",
            "url": "https://github.com/ktorio/ktor/pull/1547"
          }
        ]
      },
      "source": {
        "advisory": "GHSA-xrr9-rh8p-433v",
        "discovery": "UNKNOWN"
      }
    },
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      "advisories": [
        {
          "affected_range": "(,1.3.0)",
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          "cwe_ids": [
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            "CWE-707",
            "CWE-937"
          ],
          "date": "2021-01-08",
          "description": "In Ktor before 1.3.0, request smuggling is possible when running behind a proxy that doesn\u0027t handle Content-Length and Transfer-Encoding properly or doesn\u0027t handle \\n as a headers separator.",
          "fixed_versions": [
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          "not_impacted": "All versions starting from 1.3.0",
          "package_slug": "maven/io.ktor/ktor-client-cio",
          "pubdate": "2020-01-27",
          "solution": "Upgrade to version 1.3.0 or above.",
          "title": "Inconsistent Interpretation of HTTP Requests (\u0027HTTP Request Smuggling\u0027)",
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        },
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          "description": "In Ktor before 1.3.0, request smuggling is possible when running behind a proxy that doesn\u0027t handle Content-Length and Transfer-Encoding properly or doesn\u0027t handle \\n as a headers separator.",
          "fixed_versions": [
            "1.3.0"
          ],
          "identifier": "CVE-2020-5207",
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            "GHSA-xrr9-rh8p-433v",
            "CVE-2020-5207"
          ],
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          "package_slug": "maven/io.ktor/ktor-server-cio",
          "pubdate": "2020-01-27",
          "solution": "Upgrade to version 1.3.0 or above.",
          "title": "Inconsistent Interpretation of HTTP Requests (\u0027HTTP Request Smuggling\u0027)",
          "urls": [
            "https://github.com/ktorio/ktor/security/advisories/GHSA-xrr9-rh8p-433v",
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            "https://nvd.nist.gov/vuln/detail/CVE-2020-5207",
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          ],
          "uuid": "24ff0ae6-2513-460d-ac71-ca0d60525e80"
        }
      ]
    },
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            }
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        },
        "problemtype": {
          "problemtype_data": [
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      "impact": {
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          "acInsufInfo": false,
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            "accessVector": "NETWORK",
            "authentication": "NONE",
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            "baseScore": 5.0,
            "confidentialityImpact": "NONE",
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            "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
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          "obtainAllPrivilege": false,
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        },
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            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
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            "scope": "UNCHANGED",
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          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2020-02-04T14:41Z",
      "publishedDate": "2020-01-27T20:15Z"
    }
  }
}



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