MSRC_CVE-2024-34250

Vulnerability from csaf_microsoft - Published: 2024-05-02 07:00 - Updated: 2024-10-22 00:00
Summary
A heap buffer overflow vulnerability was discovered in Bytecode Alliance wasm-micro-runtime v2.0.0 which allows a remote attacker to cause at least a denial of service via the "wasm_loader_check_br" function in core/iwasm/interpreter/wasm_loader.c.

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/"
      }
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    "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-2024-34250 A heap buffer overflow vulnerability was discovered in Bytecode Alliance wasm-micro-runtime v2.0.0 which allows a remote attacker to cause at least a denial of service via the \"wasm_loader_check_br\" function in core/iwasm/interpreter/wasm_loader.c. - VEX",
        "url": "https://msrc.microsoft.com/csaf/vex/2024/msrc_cve-2024-34250.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": "A heap buffer overflow vulnerability was discovered in Bytecode Alliance wasm-micro-runtime v2.0.0 which allows a remote attacker to cause at least a denial of service via the \"wasm_loader_check_br\" function in core/iwasm/interpreter/wasm_loader.c.",
    "tracking": {
      "current_release_date": "2024-10-22T00:00:00.000Z",
      "generator": {
        "date": "2025-10-20T01:36:29.108Z",
        "engine": {
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        }
      },
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      "revision_history": [
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          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        },
        {
          "date": "2024-07-12T00:00:00.000Z",
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          "summary": "Information published."
        },
        {
          "date": "2024-10-22T00:00:00.000Z",
          "legacy_version": "1.2",
          "number": "3",
          "summary": "Added fluent-bit to Azure Linux 3.0\nAdded fluent-bit to CBL-Mariner 2.0"
        }
      ],
      "status": "final",
      "version": "3"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "2.0",
                "product": {
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              },
              {
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                "name": "3.0",
                "product": {
                  "name": "Azure Linux 3.0",
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                }
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            ],
            "category": "product_name",
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          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003ccbl2 fluent-bit 2.2.3-1",
                "product": {
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                  "product_id": "4"
                }
              },
              {
                "category": "product_version",
                "name": "cbl2 fluent-bit 2.2.3-1",
                "product": {
                  "name": "cbl2 fluent-bit 2.2.3-1",
                  "product_id": "17326"
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003cazl3 fluent-bit 3.0.6-1",
                "product": {
                  "name": "\u003cazl3 fluent-bit 3.0.6-1",
                  "product_id": "3"
                }
              },
              {
                "category": "product_version",
                "name": "azl3 fluent-bit 3.0.6-1",
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                }
              },
              {
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                "name": "\u003cazl3 fluent-bit 3.1.9-4",
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                  "product_id": "2"
                }
              },
              {
                "category": "product_version",
                "name": "azl3 fluent-bit 3.1.9-4",
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                }
              },
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                "category": "product_version_range",
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                }
              }
            ],
            "category": "product_name",
            "name": "fluent-bit"
          }
        ],
        "category": "vendor",
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      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003ccbl2 fluent-bit 2.2.3-1 as a component of CBL Mariner 2.0",
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        },
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        "relates_to_product_reference": "17086"
      },
      {
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        "relates_to_product_reference": "17086"
      },
      {
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      {
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      {
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        "relates_to_product_reference": "17086"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2024-34250",
      "cwe": {
        "id": "CWE-122",
        "name": "Heap-based Buffer Overflow"
      },
      "notes": [
        {
          "category": "general",
          "text": "mitre",
          "title": "Assigning CNA"
        }
      ],
      "product_status": {
        "fixed": [
          "17326-17086",
          "17732-17084",
          "19445-17084",
          "19787-17086"
        ],
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          "17086-4",
          "17084-3",
          "17084-2",
          "17086-1"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2024-34250 A heap buffer overflow vulnerability was discovered in Bytecode Alliance wasm-micro-runtime v2.0.0 which allows a remote attacker to cause at least a denial of service via the \"wasm_loader_check_br\" function in core/iwasm/interpreter/wasm_loader.c. - VEX",
          "url": "https://msrc.microsoft.com/csaf/vex/2024/msrc_cve-2024-34250.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2024-05-13T00:00:00.000Z",
          "details": "2.2.3-1:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "17086-4",
            "17086-1"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        },
        {
          "category": "vendor_fix",
          "date": "2024-05-13T00:00:00.000Z",
          "details": "3.0.6-1:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "17084-3",
            "17084-2"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.2,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "environmentalsScore": 0.0,
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "temporalScore": 6.2,
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "17086-4",
            "17084-3",
            "17084-2",
            "17086-1"
          ]
        }
      ],
      "title": "A heap buffer overflow vulnerability was discovered in Bytecode Alliance wasm-micro-runtime v2.0.0 which allows a remote attacker to cause at least a denial of service via the \"wasm_loader_check_br\" function in core/iwasm/interpreter/wasm_loader.c."
    }
  ]
}


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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.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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