{
  "document": {
    "acknowledgments": [
      {
        "names": [
          "\u003ca href=\"https://social.memes.nz/@jamie\"\u003eJamie McClymont\u003c/a\u003e with \u003ca href=\"https://cybercx.co.nz/\"\u003eCyberCX\u003c/a\u003e"
        ]
      },
      {
        "names": [
          "Rhys Davies with \u003ca href=\"https://cybercx.co.nz/\"\u003eCyberCX\u003c/a\u003e"
        ]
      }
    ],
    "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-2023-36736 Microsoft Identity Linux Broker Remote Code Execution Vulnerability - HTML",
        "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36736"
      },
      {
        "category": "self",
        "summary": "CVE-2023-36736 Microsoft Identity Linux Broker Remote Code Execution Vulnerability - CSAF",
        "url": "https://msrc.microsoft.com/csaf/2023/msrc_cve-2023-36736.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 Identity Linux Broker Remote Code Execution Vulnerability",
    "tracking": {
      "current_release_date": "2023-09-14T07:00:00.000Z",
      "generator": {
        "date": "2025-01-01T02:04:05.614Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2023-36736",
      "initial_release_date": "2023-09-12T07:00:00.000Z",
      "revision_history": [
        {
          "date": "2023-09-12T07:00:00.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        },
        {
          "date": "2023-09-14T07:00:00.000Z",
          "legacy_version": "1.1",
          "number": "2",
          "summary": "Updated links to security updates.  This is an informational change only."
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c1.6.1",
            "product": {
              "name": "Microsoft Identity Linux Broker \u003c1.6.1",
              "product_id": "1"
            }
          },
          {
            "category": "product_version",
            "name": "1.6.1",
            "product": {
              "name": "Microsoft Identity Linux Broker 1.6.1",
              "product_id": "12225"
            }
          }
        ],
        "category": "product_name",
        "name": "Microsoft Identity Linux Broker"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2023-36736",
      "cwe": {
        "id": "CWE-502",
        "name": "Deserialization of Untrusted Data"
      },
      "notes": [
        {
          "category": "general",
          "text": "Microsoft",
          "title": "Assigning CNA"
        },
        {
          "category": "faq",
          "text": "Microsoft Identity Linux Broker allows users with a Linux device support for bring your own device (BYOD) in an Azure AD environment.  To be protected from this vulnerability you need to run the following command on the ubuntu machines:\n$ sudo apt update \u0026amp;\u0026amp; sudo apt upgrade -y\nThis will pull and update the released packages.\nYou can find the packages here:\nUbuntu 20.04 : Index of /ubuntu/20.04/prod/pool/main/m/microsoft-identity-broker, Ubuntu 22.04:  Index of /ubuntu/22.04/prod/pool/main/m/microsoft-identity-broker",
          "title": "How is the protection from this vulnerability applied?"
        },
        {
          "category": "faq",
          "text": "An attacker must send the user a malicious file and convince them to open it.",
          "title": "According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?"
        },
        {
          "category": "faq",
          "text": "The word Remote in the title refers to the location of the attacker. This type of exploit is sometimes referred to as Arbitrary Code Execution (ACE). The attack itself is carried out locally. This means an attacker or victim needs to execute code from the local machine to exploit the vulnerability.",
          "title": "According to the CVSS metric, the attack vector is local (AV:L). Why does the CVE title indicate that this is a remote code execution?"
        },
        {
          "category": "faq",
          "text": "An attacker is only able to compromise files that they were allowed access to as part of their initial privilege. Any encrypted data will still be protected since the attacker doesn\u0027t have access to the Device Broker encryption key as part of this vulnerability.",
          "title": "According to the CVSS metric, Confidentiality, and Integrity are Low (CI:L). What does that mean for this vulnerability?"
        }
      ],
      "product_status": {
        "fixed": [
          "12225"
        ],
        "known_affected": [
          "1"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2023-36736 Microsoft Identity Linux Broker Remote Code Execution Vulnerability - HTML",
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36736"
        },
        {
          "category": "self",
          "summary": "CVE-2023-36736 Microsoft Identity Linux Broker Remote Code Execution Vulnerability - CSAF",
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36736"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2023-09-12T07:00:00.000Z",
          "details": "1.6.1:Security Update:https://learn.microsoft.com/en-us/azure/active-directory/devices/concept-device-registration",
          "product_ids": [
            "1"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/active-directory/devices/concept-device-registration"
        },
        {
          "category": "vendor_fix",
          "date": "2023-09-12T07:00:00.000Z",
          "details": "1.6.1:Security Update:https://learn.microsoft.com/en-us/azure/active-directory/devices/concept-device-registration",
          "product_ids": [
            "1"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/active-directory/devices/concept-device-registration"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 4.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "environmentalsScore": 0.0,
            "exploitCodeMaturity": "UNPROVEN",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "remediationLevel": "OFFICIAL_FIX",
            "reportConfidence": "CONFIRMED",
            "scope": "UNCHANGED",
            "temporalScore": 3.9,
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "1"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Remote Code Execution"
        },
        {
          "category": "exploit_status",
          "details": "Exploited:No;Latest Software Release:Exploitation Less Likely"
        }
      ],
      "title": "Microsoft Identity Linux Broker Remote Code Execution Vulnerability"
    }
  ]
}