msrc_cve-2023-36039
Vulnerability from csaf_microsoft
Published
2023-11-14 08:00
Modified
2023-11-14 08:00
Summary
Microsoft Exchange Server Spoofing Vulnerability

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.
Customer Action
Required. The vulnerability documented by this CVE requires customer action to resolve.


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{
  "document": {
    "acknowledgments": [
      {
        "names": [
          "Piotr Bazydlo (@chudypb) of Trend Micro Zero Day Initiative"
        ]
      }
    ],
    "aggregate_severity": {
      "namespace": "https://www.microsoft.com/en-us/msrc/security-update-severity-rating-system",
      "text": "Important"
    },
    "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-2023-36039 Microsoft Exchange Server Spoofing Vulnerability - HTML",
        "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36039"
      },
      {
        "category": "self",
        "summary": "CVE-2023-36039 Microsoft Exchange Server Spoofing Vulnerability - CSAF",
        "url": "https://msrc.microsoft.com/csaf/2023/msrc_cve-2023-36039.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 Exchange Server Spoofing Vulnerability",
    "tracking": {
      "current_release_date": "2023-11-14T08:00:00.000Z",
      "generator": {
        "date": "2025-01-01T02:15:45.265Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2023-36039",
      "initial_release_date": "2023-11-14T08:00:00.000Z",
      "revision_history": [
        {
          "date": "2023-11-14T08:00:00.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c15.01.2507.035",
            "product": {
              "name": "Microsoft Exchange Server 2016 Cumulative Update 23 \u003c15.01.2507.035",
              "product_id": "2"
            }
          },
          {
            "category": "product_version",
            "name": "15.01.2507.035",
            "product": {
              "name": "Microsoft Exchange Server 2016 Cumulative Update 23 15.01.2507.035",
              "product_id": "12039"
            }
          }
        ],
        "category": "product_name",
        "name": "Microsoft Exchange Server 2016 Cumulative Update 23"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c15.02.1118.040",
            "product": {
              "name": "Microsoft Exchange Server 2019 Cumulative Update 12 \u003c15.02.1118.040",
              "product_id": "3"
            }
          },
          {
            "category": "product_version",
            "name": "15.02.1118.040",
            "product": {
              "name": "Microsoft Exchange Server 2019 Cumulative Update 12 15.02.1118.040",
              "product_id": "12038"
            }
          }
        ],
        "category": "product_name",
        "name": "Microsoft Exchange Server 2019 Cumulative Update 12"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c15.02.1258.028",
            "product": {
              "name": "Microsoft Exchange Server 2019 Cumulative Update 13 \u003c15.02.1258.028",
              "product_id": "1"
            }
          },
          {
            "category": "product_version",
            "name": "15.02.1258.028",
            "product": {
              "name": "Microsoft Exchange Server 2019 Cumulative Update 13 15.02.1258.028",
              "product_id": "12191"
            }
          }
        ],
        "category": "product_name",
        "name": "Microsoft Exchange Server 2019 Cumulative Update 13"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2023-36039",
      "cwe": {
        "id": "CWE-502",
        "name": "Deserialization of Untrusted Data"
      },
      "notes": [
        {
          "category": "general",
          "text": "Microsoft",
          "title": "Assigning CNA"
        },
        {
          "category": "faq",
          "text": "An authenticated attacker could achieve exploitation by using a PowerShell remoting session to the server.",
          "title": "How could an attacker exploit this vulnerability?"
        },
        {
          "category": "faq",
          "text": "An authenticated attacker could exploit this vulnerability with LAN access.",
          "title": "According to the CVSS metric, the attack vector is adjacent (AV:A). What does that mean for this vulnerability?"
        },
        {
          "category": "faq",
          "text": "An attacker who successfully exploited this vulnerability could access a user\u0027s Net-NTLMv2 hash which could be used as a basis of an NTLM Relay attack against another service to authenticate as the user.",
          "title": "According to the CVSS metrics, successful exploitation of this vulnerability could lead to major loss of confidentiality (C:H), integrity (I:H) and availability (A:H). What does that mean for this vulnerability?"
        },
        {
          "category": "faq",
          "text": "Yes, the attacker must be authenticated with LAN-access and have credentials for a valid Exchange user.",
          "title": "According to the CVSS metric, privileges required is low (PR:L). Does the attacker need to be in an authenticated role on the Exchange Server?"
        }
      ],
      "product_status": {
        "fixed": [
          "12038",
          "12039",
          "12191"
        ],
        "known_affected": [
          "1",
          "2",
          "3"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2023-36039 Microsoft Exchange Server Spoofing Vulnerability - HTML",
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36039"
        },
        {
          "category": "self",
          "summary": "CVE-2023-36039 Microsoft Exchange Server Spoofing Vulnerability - CSAF",
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36039"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2023-11-14T08:00:00.000Z",
          "details": "15.01.2507.035:Security Update:https://support.microsoft.com/help/5032147",
          "product_ids": [
            "2"
          ],
          "url": "https://support.microsoft.com/help/5032147"
        },
        {
          "category": "vendor_fix",
          "date": "2023-11-14T08:00:00.000Z",
          "details": "15.02.1118.040:Security Update:https://support.microsoft.com/help/5032146",
          "product_ids": [
            "3"
          ],
          "url": "https://support.microsoft.com/help/5032146"
        },
        {
          "category": "vendor_fix",
          "date": "2023-11-14T08:00:00.000Z",
          "details": "15.02.1258.028:Security Update:https://support.microsoft.com/help/5032146",
          "product_ids": [
            "1"
          ],
          "url": "https://support.microsoft.com/help/5032146"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.0,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "environmentalsScore": 0.0,
            "exploitCodeMaturity": "UNPROVEN",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "remediationLevel": "OFFICIAL_FIX",
            "reportConfidence": "CONFIRMED",
            "scope": "UNCHANGED",
            "temporalScore": 7.0,
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "1",
            "2",
            "3"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Spoofing"
        },
        {
          "category": "exploit_status",
          "details": "Exploited:No;Latest Software Release:Exploitation More Likely"
        }
      ],
      "title": "Microsoft Exchange Server Spoofing Vulnerability"
    }
  ]
}


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