msrc_cve-2023-7256
Vulnerability from csaf_microsoft
Published
2024-08-02 00:00
Modified
2024-11-26 00:00
Summary
Double-free in libpcap before 1.10.5 with remote packet capture support.

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-2023-7256 Double-free in libpcap before 1.10.5 with remote packet capture support. - VEX",
        "url": "https://msrc.microsoft.com/csaf/vex/2024/msrc_cve-2023-7256.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": "Double-free in libpcap before 1.10.5 with remote packet capture support.",
    "tracking": {
      "current_release_date": "2024-11-26T00:00:00.000Z",
      "generator": {
        "date": "2025-10-20T02:00:16.314Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2023-7256",
      "initial_release_date": "2024-08-02T00:00:00.000Z",
      "revision_history": [
        {
          "date": "2024-11-09T00:00:00.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        },
        {
          "date": "2024-11-20T00:00:00.000Z",
          "legacy_version": "1.1",
          "number": "2",
          "summary": "Added libpcap to CBL-Mariner 2.0\nAdded nmap to CBL-Mariner 2.0\nAdded libpcap to Azure Linux 3.0"
        },
        {
          "date": "2024-11-26T00:00:00.000Z",
          "legacy_version": "1.2",
          "number": "3",
          "summary": "Added nmap to Azure Linux 3.0\nAdded libpcap to Azure Linux 3.0\nAdded libpcap to CBL-Mariner 2.0\nAdded nmap to CBL-Mariner 2.0"
        }
      ],
      "status": "final",
      "version": "3"
    }
  },
  "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 libpcap 1.10.4-1",
                "product": {
                  "name": "\u003cazl3 libpcap 1.10.4-1",
                  "product_id": "3"
                }
              },
              {
                "category": "product_version",
                "name": "azl3 libpcap 1.10.4-1",
                "product": {
                  "name": "azl3 libpcap 1.10.4-1",
                  "product_id": "20209"
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003ccbl2 libpcap 1.10.1-4",
                "product": {
                  "name": "\u003ccbl2 libpcap 1.10.1-4",
                  "product_id": "2"
                }
              },
              {
                "category": "product_version",
                "name": "cbl2 libpcap 1.10.1-4",
                "product": {
                  "name": "cbl2 libpcap 1.10.1-4",
                  "product_id": "20213"
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003cazl3 libpcap 1.10.5-1",
                "product": {
                  "name": "\u003cazl3 libpcap 1.10.5-1",
                  "product_id": "4"
                }
              },
              {
                "category": "product_version",
                "name": "azl3 libpcap 1.10.5-1",
                "product": {
                  "name": "azl3 libpcap 1.10.5-1",
                  "product_id": "17643"
                }
              }
            ],
            "category": "product_name",
            "name": "libpcap"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003ccbl2 nmap 7.93-3",
                "product": {
                  "name": "\u003ccbl2 nmap 7.93-3",
                  "product_id": "1"
                }
              },
              {
                "category": "product_version",
                "name": "cbl2 nmap 7.93-3",
                "product": {
                  "name": "cbl2 nmap 7.93-3",
                  "product_id": "20217"
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003cazl3 nmap 7.95-2",
                "product": {
                  "name": "\u003cazl3 nmap 7.95-2",
                  "product_id": "5"
                }
              },
              {
                "category": "product_version",
                "name": "azl3 nmap 7.95-2",
                "product": {
                  "name": "azl3 nmap 7.95-2",
                  "product_id": "17642"
                }
              }
            ],
            "category": "product_name",
            "name": "nmap"
          }
        ],
        "category": "vendor",
        "name": "Microsoft"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003cazl3 libpcap 1.10.4-1 as a component of Azure Linux 3.0",
          "product_id": "17084-3"
        },
        "product_reference": "3",
        "relates_to_product_reference": "17084"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "azl3 libpcap 1.10.4-1 as a component of Azure Linux 3.0",
          "product_id": "20209-17084"
        },
        "product_reference": "20209",
        "relates_to_product_reference": "17084"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003ccbl2 libpcap 1.10.1-4 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 libpcap 1.10.1-4 as a component of CBL Mariner 2.0",
          "product_id": "20213-17086"
        },
        "product_reference": "20213",
        "relates_to_product_reference": "17086"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003ccbl2 nmap 7.93-3 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": "cbl2 nmap 7.93-3 as a component of CBL Mariner 2.0",
          "product_id": "20217-17086"
        },
        "product_reference": "20217",
        "relates_to_product_reference": "17086"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003cazl3 nmap 7.95-2 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": "azl3 nmap 7.95-2 as a component of Azure Linux 3.0",
          "product_id": "17642-17084"
        },
        "product_reference": "17642",
        "relates_to_product_reference": "17084"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003cazl3 libpcap 1.10.5-1 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 libpcap 1.10.5-1 as a component of Azure Linux 3.0",
          "product_id": "17643-17084"
        },
        "product_reference": "17643",
        "relates_to_product_reference": "17084"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2023-7256",
      "cwe": {
        "id": "CWE-415",
        "name": "Double Free"
      },
      "notes": [
        {
          "category": "general",
          "text": "Tcpdump",
          "title": "Assigning CNA"
        }
      ],
      "product_status": {
        "fixed": [
          "20209-17084",
          "20213-17086",
          "20217-17086",
          "17642-17084",
          "17643-17084"
        ],
        "known_affected": [
          "17084-3",
          "17086-2",
          "17086-1",
          "17084-5",
          "17084-4"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2023-7256 Double-free in libpcap before 1.10.5 with remote packet capture support. - VEX",
          "url": "https://msrc.microsoft.com/csaf/vex/2024/msrc_cve-2023-7256.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2024-11-09T00:00:00.000Z",
          "details": "1.10.5-1:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "17084-3",
            "17084-4"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        },
        {
          "category": "vendor_fix",
          "date": "2024-11-09T00:00:00.000Z",
          "details": "1.10.1-4:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "17086-2"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        },
        {
          "category": "vendor_fix",
          "date": "2024-11-09T00:00:00.000Z",
          "details": "7.93-3:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "17086-1"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        },
        {
          "category": "vendor_fix",
          "date": "2024-11-09T00:00:00.000Z",
          "details": "7.95-2:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "17084-5"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 4.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "environmentalsScore": 0.0,
            "integrityImpact": "NONE",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "temporalScore": 4.4,
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "17084-3",
            "17086-2",
            "17086-1",
            "17084-5",
            "17084-4"
          ]
        }
      ],
      "title": "Double-free in libpcap before 1.10.5 with remote packet capture support."
    }
  ]
}


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