{
  "document": {
    "acknowledgments": [
      {
        "names": [
          "Kaixuan Luo with Summer Intern @ Samsung Research America, PhD Student @ The Chinese University of Hong Kong"
        ]
      },
      {
        "names": [
          "Adonis Fung with Samsung Research America"
        ]
      },
      {
        "names": [
          "\u003ca href=\"https://twitter.com/sanebow\"\u003eXianbo Wang (@sanebow)\u003c/a\u003e with The Chinese University of Hong Kong"
        ]
      },
      {
        "names": [
          "Wing Cheong Lau with The Chinese University of Hong Kong"
        ]
      }
    ],
    "aggregate_severity": {
      "namespace": "https://www.microsoft.com/en-us/msrc/security-update-severity-rating-system",
      "text": "Critical"
    },
    "category": "csaf_security_advisory",
    "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"
      },
      {
        "category": "general",
        "text": "Required. The vulnerability documented by this CVE requires customer action to resolve.",
        "title": "Customer Action"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "secure@microsoft.com",
      "name": "Microsoft Security Response Center",
      "namespace": "https://msrc.microsoft.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "CVE-2023-36019 Microsoft Power Platform Connector Spoofing Vulnerability - HTML",
        "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36019"
      },
      {
        "category": "self",
        "summary": "CVE-2023-36019 Microsoft Power Platform Connector Spoofing Vulnerability - CSAF",
        "url": "https://msrc.microsoft.com/csaf/2023/msrc_cve-2023-36019.json"
      },
      {
        "category": "external",
        "summary": "Microsoft Exploitability Index",
        "url": "https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1"
      },
      {
        "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": "Microsoft Power Platform Connector Spoofing Vulnerability",
    "tracking": {
      "current_release_date": "2024-02-16T08:00:00.000Z",
      "generator": {
        "date": "2025-01-01T02:18:26.173Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2023-36019",
      "initial_release_date": "2023-12-12T08:00:00.000Z",
      "revision_history": [
        {
          "date": "2023-12-12T08:00:00.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        },
        {
          "date": "2024-02-13T08:00:00.000Z",
          "legacy_version": "1.1",
          "number": "2",
          "summary": "Updated the mitigation to inform customers with existing OAuth 2.0 connectors that these connectors must be updated to use a per-connector redirect URI by March 29, 2024. After March 29, 2024, users will no longer be able to create connections to or use existing OAuth 2.0 custom connectors that have not been updated. For more information see https://learn.microsoft.com/en-us/connectors/custom-connectors/#21-oauth-20. This is an informational change only."
        },
        {
          "date": "2024-02-16T08:00:00.000Z",
          "legacy_version": "1.2",
          "number": "3",
          "summary": "Added clarifying information to the mitigation. This is an informational change only."
        }
      ],
      "status": "final",
      "version": "3"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c3.23113",
            "product": {
              "name": "Microsoft Power Platform \u003c3.23113",
              "product_id": "1"
            }
          },
          {
            "category": "product_version",
            "name": "3.23113",
            "product": {
              "name": "Microsoft Power Platform 3.23113",
              "product_id": "12263"
            }
          }
        ],
        "category": "product_name",
        "name": "Microsoft Power Platform"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c3.23113",
            "product": {
              "name": "Azure Logic Apps \u003c3.23113",
              "product_id": "2"
            }
          },
          {
            "category": "product_version",
            "name": "3.23113",
            "product": {
              "name": "Azure Logic Apps 3.23113",
              "product_id": "12228"
            }
          }
        ],
        "category": "product_name",
        "name": "Azure Logic Apps"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2023-36019",
      "cwe": {
        "id": "CWE-73",
        "name": "External Control of File Name or Path"
      },
      "notes": [
        {
          "category": "general",
          "text": "Microsoft",
          "title": "Assigning CNA"
        },
        {
          "category": "faq",
          "text": "The user would have to click on a specially crafted URL to be compromised by the attacker.",
          "title": "According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?"
        },
        {
          "category": "faq",
          "text": "The vulnerability is in the web server, but the malicious scripts execute in the victim\u2019s browser on their machine.",
          "title": "According to the CVSS metric, a successful exploitation could lead to a scope change (S:C). What does this mean for this vulnerability?"
        },
        {
          "category": "faq",
          "text": "Microsoft notified affected customers about this change in behavior via Microsoft 365 Admin Center (MC690931) or Service Health in the Azure Portal (3_SH-LTG) starting on November 17th, 2023. You will need to validate your custom connectors and follow the guidance to make the switch to the per-connector URI.",
          "title": "How do I know if my connector does not have a per-connector redirect URI?"
        },
        {
          "category": "faq",
          "text": "Notifications were sent to customers via the Microsoft 365 Admin Center using a Data Privacy tag. This means that only users with a global administrator role or a Message center privacy reader role can view the notification. These roles are appointed by your organization. You can learn more about these roles and how to assign them at https://azure.microsoft.com/en-us/blog/understanding-service-health-communications-for-azure-vulnerabilities/. If you are a Logic Apps customer, a notification was sent via Service Health in the Azure Portal under tracking ID 3_SH-LTG.",
          "title": "How do I know if a notification was sent to my organization?"
        },
        {
          "category": "faq",
          "text": "An attacker could manipulate a malicious link, application, or file to disguise it as a legitimate link or file to trick the victim.",
          "title": "What is the nature of the spoofing?"
        }
      ],
      "product_status": {
        "fixed": [
          "12228",
          "12263"
        ],
        "known_affected": [
          "1",
          "2"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2023-36019 Microsoft Power Platform Connector Spoofing Vulnerability - HTML",
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36019"
        },
        {
          "category": "self",
          "summary": "CVE-2023-36019 Microsoft Power Platform Connector Spoofing Vulnerability - CSAF",
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36019"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2023-12-12T08:00:00.000Z",
          "details": "3.23113:Security Update:https://learn.microsoft.com/en-us/connectors/custom-connectors/#21-oauth-20",
          "product_ids": [
            "1",
            "2"
          ],
          "url": "https://learn.microsoft.com/en-us/connectors/custom-connectors/#21-oauth-20"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.6,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "environmentalsScore": 0.0,
            "exploitCodeMaturity": "UNPROVEN",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "remediationLevel": "OFFICIAL_FIX",
            "reportConfidence": "CONFIRMED",
            "scope": "CHANGED",
            "temporalScore": 8.3,
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "1",
            "2"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Spoofing"
        },
        {
          "category": "exploit_status",
          "details": "Exploited:No;Latest Software Release:Exploitation Less Likely"
        }
      ],
      "title": "Microsoft Power Platform Connector Spoofing Vulnerability"
    }
  ]
}