msrc_cve-2022-40897
Vulnerability from csaf_microsoft
Published
2022-12-02 00:00
Modified
2025-04-12 00:00
Summary
Python Packaging Authority (PyPA) setuptools before 65.5.1 allows remote attackers to cause a denial of service via HTML in a crafted package or custom PackageIndex page. There is a Regular Expression Denial of Service (ReDoS) in package_index.py.

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-2022-40897 Python Packaging Authority (PyPA) setuptools before 65.5.1 allows remote attackers to cause a denial of service via HTML in a crafted package or custom PackageIndex page. There is a Regular Expression Denial of Service (ReDoS) in package_index.py. - VEX",
        "url": "https://msrc.microsoft.com/csaf/vex/2022/msrc_cve-2022-40897.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": "Python Packaging Authority (PyPA) setuptools before 65.5.1 allows remote attackers to cause a denial of service via HTML in a crafted package or custom PackageIndex page. There is a Regular Expression Denial of Service (ReDoS) in package_index.py.",
    "tracking": {
      "current_release_date": "2025-04-12T00:00:00.000Z",
      "generator": {
        "date": "2025-10-20T00:09:03.044Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2022-40897",
      "initial_release_date": "2022-12-02T00:00:00.000Z",
      "revision_history": [
        {
          "date": "2022-12-31T00:00:00.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        },
        {
          "date": "2025-04-12T00:00:00.000Z",
          "legacy_version": "1.1",
          "number": "2",
          "summary": "Added python3 to CBL-Mariner 2.0\nAdded python-setuptools to CBL-Mariner 1.0"
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "3.0",
                "product": {
                  "name": "Azure Linux 3.0",
                  "product_id": "17084"
                }
              },
              {
                "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": "\u003ccbl2 python3 3.9.19-13",
                "product": {
                  "name": "\u003ccbl2 python3 3.9.19-13",
                  "product_id": "2"
                }
              },
              {
                "category": "product_version",
                "name": "cbl2 python3 3.9.19-13",
                "product": {
                  "name": "cbl2 python3 3.9.19-13",
                  "product_id": "19681"
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003ccbl2 python3 3.9.19-11",
                "product": {
                  "name": "\u003ccbl2 python3 3.9.19-11",
                  "product_id": "6"
                }
              },
              {
                "category": "product_version",
                "name": "cbl2 python3 3.9.19-11",
                "product": {
                  "name": "cbl2 python3 3.9.19-11",
                  "product_id": "17214"
                }
              }
            ],
            "category": "product_name",
            "name": "python3"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003ccm1 python-setuptools 40.2.0-7",
                "product": {
                  "name": "\u003ccm1 python-setuptools 40.2.0-7",
                  "product_id": "3"
                }
              },
              {
                "category": "product_version",
                "name": "cm1 python-setuptools 40.2.0-7",
                "product": {
                  "name": "cm1 python-setuptools 40.2.0-7",
                  "product_id": "18509"
                }
              }
            ],
            "category": "product_name",
            "name": "python-setuptools"
          },
          {
            "category": "product_name",
            "name": "azl3 mozjs 102.15.1-1",
            "product": {
              "name": "azl3 mozjs 102.15.1-1",
              "product_id": "4"
            }
          },
          {
            "category": "product_name",
            "name": "azl3 python-pip 24.2-2",
            "product": {
              "name": "azl3 python-pip 24.2-2",
              "product_id": "5"
            }
          },
          {
            "category": "product_name",
            "name": "cbl2 python-virtualenv 20.26.6-1",
            "product": {
              "name": "cbl2 python-virtualenv 20.26.6-1",
              "product_id": "1"
            }
          }
        ],
        "category": "vendor",
        "name": "Microsoft"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "azl3 mozjs 102.15.1-1 as a component of Azure Linux 3.0",
          "product_id": "17084-4"
        },
        "product_reference": "4",
        "relates_to_product_reference": "17084"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "azl3 python-pip 24.2-2 as a component of Azure Linux 3.0",
          "product_id": "17084-5"
        },
        "product_reference": "5",
        "relates_to_product_reference": "17084"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "cbl2 python-virtualenv 20.26.6-1 as a component of CBL Mariner 2.0",
          "product_id": "17086-1"
        },
        "product_reference": "1",
        "relates_to_product_reference": "17086"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003ccbl2 python3 3.9.19-13 as a component of CBL Mariner 2.0",
          "product_id": "17086-2"
        },
        "product_reference": "2",
        "relates_to_product_reference": "17086"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "cbl2 python3 3.9.19-13 as a component of CBL Mariner 2.0",
          "product_id": "19681-17086"
        },
        "product_reference": "19681",
        "relates_to_product_reference": "17086"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003ccm1 python-setuptools 40.2.0-7 as a component of CBL Mariner 1.0",
          "product_id": "16820-3"
        },
        "product_reference": "3",
        "relates_to_product_reference": "16820"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "cm1 python-setuptools 40.2.0-7 as a component of CBL Mariner 1.0",
          "product_id": "18509-16820"
        },
        "product_reference": "18509",
        "relates_to_product_reference": "16820"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003ccbl2 python3 3.9.19-11 as a component of CBL Mariner 2.0",
          "product_id": "17086-6"
        },
        "product_reference": "6",
        "relates_to_product_reference": "17086"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "cbl2 python3 3.9.19-11 as a component of CBL Mariner 2.0",
          "product_id": "17214-17086"
        },
        "product_reference": "17214",
        "relates_to_product_reference": "17086"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2022-40897",
      "cwe": {
        "id": "CWE-1333",
        "name": "Inefficient Regular Expression Complexity"
      },
      "flags": [
        {
          "label": "component_not_present",
          "product_ids": [
            "17084-4",
            "17086-1"
          ]
        },
        {
          "label": "vulnerable_code_not_in_execute_path",
          "product_ids": [
            "17084-5"
          ]
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "mitre",
          "title": "Assigning CNA"
        }
      ],
      "product_status": {
        "fixed": [
          "19681-17086",
          "18509-16820",
          "17214-17086"
        ],
        "known_affected": [
          "17086-2",
          "16820-3",
          "17086-6"
        ],
        "known_not_affected": [
          "17084-4",
          "17084-5",
          "17086-1"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2022-40897 Python Packaging Authority (PyPA) setuptools before 65.5.1 allows remote attackers to cause a denial of service via HTML in a crafted package or custom PackageIndex page. There is a Regular Expression Denial of Service (ReDoS) in package_index.py. - VEX",
          "url": "https://msrc.microsoft.com/csaf/vex/2022/msrc_cve-2022-40897.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2022-12-31T00:00:00.000Z",
          "details": "3.9.19-11:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "17086-2",
            "17086-6"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        },
        {
          "category": "vendor_fix",
          "date": "2022-12-31T00:00:00.000Z",
          "details": "40.2.0-7: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"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "environmentalsScore": 0.0,
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "temporalScore": 5.9,
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "17086-2",
            "16820-3",
            "17086-6"
          ]
        }
      ],
      "title": "Python Packaging Authority (PyPA) setuptools before 65.5.1 allows remote attackers to cause a denial of service via HTML in a crafted package or custom PackageIndex page. There is a Regular Expression Denial of Service (ReDoS) in package_index.py."
    }
  ]
}


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