msrc_cve-2023-6683
Vulnerability from csaf_microsoft
Published
2024-01-01 08:00
Modified
2025-04-22 00:00
Summary
Qemu: vnc: null pointer dereference in qemu_clipboard_request()

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-2023-6683 Qemu: vnc: null pointer dereference in qemu_clipboard_request() - VEX",
        "url": "https://msrc.microsoft.com/csaf/vex/2024/msrc_cve-2023-6683.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": "Qemu: vnc: null pointer dereference in qemu_clipboard_request()",
    "tracking": {
      "current_release_date": "2025-04-22T00:00:00.000Z",
      "generator": {
        "date": "2025-10-20T00:58:25.388Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2023-6683",
      "initial_release_date": "2024-01-01T08:00:00.000Z",
      "revision_history": [
        {
          "date": "2025-03-26T00:00:00.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        },
        {
          "date": "2025-04-22T00:00:00.000Z",
          "legacy_version": "2",
          "number": "2",
          "summary": "Information published."
        }
      ],
      "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_name",
            "name": "Azure Linux"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003cazl3 qemu 8.2.0-16",
                "product": {
                  "name": "\u003cazl3 qemu 8.2.0-16",
                  "product_id": "4"
                }
              },
              {
                "category": "product_version",
                "name": "azl3 qemu 8.2.0-16",
                "product": {
                  "name": "azl3 qemu 8.2.0-16",
                  "product_id": "17459"
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003ccbl2 qemu 6.2.0-21",
                "product": {
                  "name": "\u003ccbl2 qemu 6.2.0-21",
                  "product_id": "3"
                }
              },
              {
                "category": "product_version",
                "name": "cbl2 qemu 6.2.0-21",
                "product": {
                  "name": "cbl2 qemu 6.2.0-21",
                  "product_id": "18121"
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003cazl3 qemu 8.2.0-13",
                "product": {
                  "name": "\u003cazl3 qemu 8.2.0-13",
                  "product_id": "2"
                }
              },
              {
                "category": "product_version",
                "name": "azl3 qemu 8.2.0-13",
                "product": {
                  "name": "azl3 qemu 8.2.0-13",
                  "product_id": "18122"
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003ccbl2 qemu 6.2.0-24",
                "product": {
                  "name": "\u003ccbl2 qemu 6.2.0-24",
                  "product_id": "1"
                }
              },
              {
                "category": "product_version",
                "name": "cbl2 qemu 6.2.0-24",
                "product": {
                  "name": "cbl2 qemu 6.2.0-24",
                  "product_id": "19662"
                }
              }
            ],
            "category": "product_name",
            "name": "qemu"
          }
        ],
        "category": "vendor",
        "name": "Microsoft"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003cazl3 qemu 8.2.0-16 as a component of Azure Linux 3.0",
          "product_id": "17084-4"
        },
        "product_reference": "4",
        "relates_to_product_reference": "17084"
      },
      {
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        "full_product_name": {
          "name": "azl3 qemu 8.2.0-16 as a component of Azure Linux 3.0",
          "product_id": "17459-17084"
        },
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        "relates_to_product_reference": "17084"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003ccbl2 qemu 6.2.0-21 as a component of CBL Mariner 2.0",
          "product_id": "17086-3"
        },
        "product_reference": "3",
        "relates_to_product_reference": "17086"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "cbl2 qemu 6.2.0-21 as a component of CBL Mariner 2.0",
          "product_id": "18121-17086"
        },
        "product_reference": "18121",
        "relates_to_product_reference": "17086"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003cazl3 qemu 8.2.0-13 as a component of Azure Linux 3.0",
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        },
        "product_reference": "2",
        "relates_to_product_reference": "17084"
      },
      {
        "category": "default_component_of",
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        },
        "product_reference": "18122",
        "relates_to_product_reference": "17084"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
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        },
        "product_reference": "1",
        "relates_to_product_reference": "17086"
      },
      {
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        "full_product_name": {
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          "product_id": "19662-17086"
        },
        "product_reference": "19662",
        "relates_to_product_reference": "17086"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2023-6683",
      "cwe": {
        "id": "CWE-476",
        "name": "NULL Pointer Dereference"
      },
      "notes": [
        {
          "category": "general",
          "text": "redhat",
          "title": "Assigning CNA"
        }
      ],
      "product_status": {
        "fixed": [
          "17459-17084",
          "18121-17086",
          "18122-17084",
          "19662-17086"
        ],
        "known_affected": [
          "17084-4",
          "17086-3",
          "17084-2",
          "17086-1"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2023-6683 Qemu: vnc: null pointer dereference in qemu_clipboard_request() - VEX",
          "url": "https://msrc.microsoft.com/csaf/vex/2024/msrc_cve-2023-6683.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2025-03-26T00:00:00.000Z",
          "details": "8.2.0-13:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "17084-4",
            "17084-2"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        },
        {
          "category": "vendor_fix",
          "date": "2025-03-26T00:00:00.000Z",
          "details": "6.2.0-21:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "17086-3",
            "17086-1"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "environmentalsScore": 0.0,
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "temporalScore": 6.5,
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "17084-4",
            "17086-3",
            "17084-2",
            "17086-1"
          ]
        }
      ],
      "title": "Qemu: vnc: null pointer dereference in qemu_clipboard_request()"
    }
  ]
}


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