MSRC_CVE-2023-7256

Vulnerability from csaf_microsoft - Published: 2024-08-02 00:00 - Updated: 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": [
          {
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              {
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                "name": "3.0",
                "product": {
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                  "product_id": "17084"
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              },
              {
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            ],
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          },
          {
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                  "product_id": "3"
                }
              },
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                "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"
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            ],
            "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"
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              },
              {
                "category": "product_version",
                "name": "cbl2 nmap 7.93-3",
                "product": {
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                "name": "\u003cazl3 nmap 7.95-2",
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                  "product_id": "5"
                }
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                  "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": {
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        },
        "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",
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        },
        "product_reference": "2",
        "relates_to_product_reference": "17086"
      },
      {
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        "full_product_name": {
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        },
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        "relates_to_product_reference": "17086"
      },
      {
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        },
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        "relates_to_product_reference": "17086"
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      },
      {
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      },
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      },
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          "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": [
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          "20213-17086",
          "20217-17086",
          "17642-17084",
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          "17086-1",
          "17084-5",
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      },
      "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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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.