msrc_cve-2019-11236
Vulnerability from csaf_microsoft
Published
2019-04-02 00:00
Modified
2020-12-21 00:00
Summary
In the urllib3 library through 1.24.1 for Python CRLF injection is possible if the attacker controls the request parameter.

Notes

Additional Resources
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
Disclaimer
The information provided in the Microsoft Knowledge Base is provided \"as is\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.


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{
  "document": {
    "category": "csaf_vex",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Public",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en-US",
    "notes": [
      {
        "category": "general",
        "text": "To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle",
        "title": "Additional Resources"
      },
      {
        "category": "legal_disclaimer",
        "text": "The information provided in the Microsoft Knowledge Base is provided \\\"as is\\\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.",
        "title": "Disclaimer"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "secure@microsoft.com",
      "name": "Microsoft Security Response Center",
      "namespace": "https://msrc.microsoft.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "CVE-2019-11236 In the urllib3 library through 1.24.1 for Python CRLF injection is possible if the attacker controls the request parameter. - VEX",
        "url": "https://msrc.microsoft.com/csaf/vex/2019/msrc_cve-2019-11236.json"
      },
      {
        "category": "external",
        "summary": "Microsoft Support Lifecycle",
        "url": "https://support.microsoft.com/lifecycle"
      },
      {
        "category": "external",
        "summary": "Common Vulnerability Scoring System",
        "url": "https://www.first.org/cvss"
      }
    ],
    "title": "In the urllib3 library through 1.24.1 for Python CRLF injection is possible if the attacker controls the request parameter.",
    "tracking": {
      "current_release_date": "2020-12-21T00:00:00.000Z",
      "generator": {
        "date": "2025-10-19T17:33:43.554Z",
        "engine": {
          "name": "MSRC Generator",
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      },
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      "initial_release_date": "2019-04-02T00:00:00.000Z",
      "revision_history": [
        {
          "date": "2020-12-21T00:00:00.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "2.0",
                "product": {
                  "name": "CBL Mariner 2.0",
                  "product_id": "17086"
                }
              },
              {
                "category": "product_version",
                "name": "1.0",
                "product": {
                  "name": "CBL Mariner 1.0",
                  "product_id": "16820"
                }
              }
            ],
            "category": "product_name",
            "name": "Azure Linux"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003ccm1 python-urllib3 1.25.9-2",
                "product": {
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                  "product_id": "2"
                }
              },
              {
                "category": "product_version",
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            ],
            "category": "product_name",
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          },
          {
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            }
          }
        ],
        "category": "vendor",
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    ],
    "relationships": [
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        "relates_to_product_reference": "17086"
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      {
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      {
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          "product_id": "16991-16820"
        },
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        "relates_to_product_reference": "16820"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2019-11236",
      "cwe": {
        "id": "CWE-93",
        "name": "Improper Neutralization of CRLF Sequences (\u0027CRLF Injection\u0027)"
      },
      "flags": [
        {
          "label": "vulnerable_code_not_in_execute_path",
          "product_ids": [
            "17086-1"
          ]
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "mitre",
          "title": "Assigning CNA"
        }
      ],
      "product_status": {
        "fixed": [
          "16991-16820"
        ],
        "known_affected": [
          "16820-2"
        ],
        "known_not_affected": [
          "17086-1"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2019-11236 In the urllib3 library through 1.24.1 for Python CRLF injection is possible if the attacker controls the request parameter. - VEX",
          "url": "https://msrc.microsoft.com/csaf/vex/2019/msrc_cve-2019-11236.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2020-12-21T00:00:00.000Z",
          "details": "1.25.9-2:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "16820-2"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.1,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "environmentalsScore": 0.0,
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "temporalScore": 6.1,
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
            "version": "3.1"
          },
          "products": [
            "16820-2"
          ]
        }
      ],
      "title": "In the urllib3 library through 1.24.1 for Python CRLF injection is possible if the attacker controls the request parameter."
    }
  ]
}


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