MSRC_CVE-2023-24329

Vulnerability from csaf_microsoft - Published: 2023-02-01 00:00 - Updated: 2023-10-11 00:00
Summary
An issue in the urllib.parse component of Python before 3.11.4 allows attackers to bypass blocklisting methods by supplying a URL that starts with blank characters.

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-2023-24329 An issue in the urllib.parse component of Python before 3.11.4 allows attackers to bypass blocklisting methods by supplying a URL that starts with blank characters. - VEX",
        "url": "https://msrc.microsoft.com/csaf/vex/2023/msrc_cve-2023-24329.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": "An issue in the urllib.parse component of Python before 3.11.4 allows attackers to bypass blocklisting methods by supplying a URL that starts with blank characters.",
    "tracking": {
      "current_release_date": "2023-10-11T00:00:00.000Z",
      "generator": {
        "date": "2025-10-20T00:15:36.619Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2023-24329",
      "initial_release_date": "2023-02-01T00:00:00.000Z",
      "revision_history": [
        {
          "date": "2023-02-27T00:00:00.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        },
        {
          "date": "2023-02-28T00:00:00.000Z",
          "legacy_version": "1.1",
          "number": "2",
          "summary": "Added python2 to CBL-Mariner 1.0"
        },
        {
          "date": "2023-10-11T00:00:00.000Z",
          "legacy_version": "1.2",
          "number": "3",
          "summary": "Added python3 to CBL-Mariner 2.0"
        }
      ],
      "status": "final",
      "version": "3"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "1.0",
                "product": {
                  "name": "CBL Mariner 1.0",
                  "product_id": "16820"
                }
              },
              {
                "category": "product_version",
                "name": "2.0",
                "product": {
                  "name": "CBL Mariner 2.0",
                  "product_id": "17086"
                }
              }
            ],
            "category": "product_name",
            "name": "Azure Linux"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003ccm1 python2 2.7.18-12",
                "product": {
                  "name": "\u003ccm1 python2 2.7.18-12",
                  "product_id": "3"
                }
              },
              {
                "category": "product_version",
                "name": "cm1 python2 2.7.18-12",
                "product": {
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                  "product_id": "17947"
                }
              }
            ],
            "category": "product_name",
            "name": "python2"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003ccm1 python3 3.7.13-6",
                "product": {
                  "name": "\u003ccm1 python3 3.7.13-6",
                  "product_id": "2"
                }
              },
              {
                "category": "product_version",
                "name": "cm1 python3 3.7.13-6",
                "product": {
                  "name": "cm1 python3 3.7.13-6",
                  "product_id": "17948"
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003ccbl2 python3 3.9.14-8",
                "product": {
                  "name": "\u003ccbl2 python3 3.9.14-8",
                  "product_id": "1"
                }
              },
              {
                "category": "product_version",
                "name": "cbl2 python3 3.9.14-8",
                "product": {
                  "name": "cbl2 python3 3.9.14-8",
                  "product_id": "17949"
                }
              }
            ],
            "category": "product_name",
            "name": "python3"
          }
        ],
        "category": "vendor",
        "name": "Microsoft"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003ccm1 python2 2.7.18-12 as a component of CBL Mariner 1.0",
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        },
        "product_reference": "3",
        "relates_to_product_reference": "16820"
      },
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      },
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        },
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        "relates_to_product_reference": "16820"
      },
      {
        "category": "default_component_of",
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          "name": "cm1 python3 3.7.13-6 as a component of CBL Mariner 1.0",
          "product_id": "17948-16820"
        },
        "product_reference": "17948",
        "relates_to_product_reference": "16820"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
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      },
      {
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        },
        "product_reference": "17949",
        "relates_to_product_reference": "17086"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2023-24329",
      "cwe": {
        "id": "CWE-20",
        "name": "Improper Input Validation"
      },
      "notes": [
        {
          "category": "general",
          "text": "mitre",
          "title": "Assigning CNA"
        }
      ],
      "product_status": {
        "fixed": [
          "17947-16820",
          "17948-16820",
          "17949-17086"
        ],
        "known_affected": [
          "16820-3",
          "16820-2",
          "17086-1"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2023-24329 An issue in the urllib.parse component of Python before 3.11.4 allows attackers to bypass blocklisting methods by supplying a URL that starts with blank characters. - VEX",
          "url": "https://msrc.microsoft.com/csaf/vex/2023/msrc_cve-2023-24329.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2023-02-27T00:00:00.000Z",
          "details": "2.7.18-12:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "16820-3"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        },
        {
          "category": "vendor_fix",
          "date": "2023-02-27T00:00:00.000Z",
          "details": "3.7.13-6: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"
        },
        {
          "category": "vendor_fix",
          "date": "2023-02-27T00:00:00.000Z",
          "details": "3.9.14-8:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "17086-1"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "environmentalsScore": 0.0,
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "temporalScore": 7.5,
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
            "version": "3.1"
          },
          "products": [
            "16820-3",
            "16820-2",
            "17086-1"
          ]
        }
      ],
      "title": "An issue in the urllib.parse component of Python before 3.11.4 allows attackers to bypass blocklisting methods by supplying a URL that starts with blank characters."
    }
  ]
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.