MSRC_CVE-2023-36328

Vulnerability from csaf_microsoft - Published: 2023-09-01 00:00 - Updated: 2024-06-30 07:00
Summary
Integer Overflow vulnerability in mp_grow in libtom libtommath before commit beba892bc0d4e4ded4d667ab1d2a94f4d75109a9 allows attackers to execute arbitrary code and cause a denial of service (DoS).

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-2023-36328 Integer Overflow vulnerability in mp_grow in libtom libtommath before commit beba892bc0d4e4ded4d667ab1d2a94f4d75109a9 allows attackers to execute arbitrary code and cause a denial of service (DoS). - VEX",
        "url": "https://msrc.microsoft.com/csaf/vex/2023/msrc_cve-2023-36328.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": "Integer Overflow vulnerability in mp_grow in libtom libtommath before commit beba892bc0d4e4ded4d667ab1d2a94f4d75109a9 allows attackers to execute arbitrary code and cause a denial of service (DoS).",
    "tracking": {
      "current_release_date": "2024-06-30T07:00:00.000Z",
      "generator": {
        "date": "2025-10-20T00:40:17.994Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2023-36328",
      "initial_release_date": "2023-09-01T00:00:00.000Z",
      "revision_history": [
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          "date": "2023-09-05T00:00:00.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        },
        {
          "date": "2023-09-06T00:00:00.000Z",
          "legacy_version": "1.1",
          "number": "2",
          "summary": "Added libtommath to CBL-Mariner 2.0"
        },
        {
          "date": "2024-06-30T07:00:00.000Z",
          "legacy_version": "1.2",
          "number": "3",
          "summary": "Information published."
        }
      ],
      "status": "final",
      "version": "3"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "2.0",
                "product": {
                  "name": "CBL Mariner 2.0",
                  "product_id": "17086"
                }
              },
              {
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                "name": "3.0",
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                  "product_id": "17084"
                }
              }
            ],
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            "name": "Azure Linux"
          },
          {
            "branches": [
              {
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                "product": {
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                  "product_id": "3"
                }
              },
              {
                "category": "product_version",
                "name": "cbl2 libtommath 1.1.0-5",
                "product": {
                  "name": "cbl2 libtommath 1.1.0-5",
                  "product_id": "18319"
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003cazl3 libtommath 1.1.0-5",
                "product": {
                  "name": "\u003cazl3 libtommath 1.1.0-5",
                  "product_id": "1"
                }
              },
              {
                "category": "product_version",
                "name": "azl3 libtommath 1.1.0-5",
                "product": {
                  "name": "azl3 libtommath 1.1.0-5",
                  "product_id": "18321"
                }
              }
            ],
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            "name": "libtommath"
          },
          {
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              {
                "category": "product_version_range",
                "name": "\u003ccbl2 tcl 8.6.13-2",
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                  "product_id": "2"
                }
              },
              {
                "category": "product_version",
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        "category": "default_component_of",
        "full_product_name": {
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          "product_id": "17086-3"
        },
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        "relates_to_product_reference": "17086"
      },
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        "relates_to_product_reference": "17084"
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    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2023-36328",
      "cwe": {
        "id": "CWE-190",
        "name": "Integer Overflow or Wraparound"
      },
      "notes": [
        {
          "category": "general",
          "text": "mitre",
          "title": "Assigning CNA"
        }
      ],
      "product_status": {
        "fixed": [
          "18319-17086",
          "18320-17086",
          "18321-17084",
          "18110-17084"
        ],
        "known_affected": [
          "17086-3",
          "17086-2",
          "17084-1",
          "17084-4"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2023-36328 Integer Overflow vulnerability in mp_grow in libtom libtommath before commit beba892bc0d4e4ded4d667ab1d2a94f4d75109a9 allows attackers to execute arbitrary code and cause a denial of service (DoS). - VEX",
          "url": "https://msrc.microsoft.com/csaf/vex/2023/msrc_cve-2023-36328.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2023-09-05T00:00:00.000Z",
          "details": "1.1.0-5:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
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          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        },
        {
          "category": "vendor_fix",
          "date": "2023-09-05T00:00:00.000Z",
          "details": "8.6.13-2: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": "2023-09-05T00:00:00.000Z",
          "details": "8.6.13-3:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "17084-4"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "environmentalsScore": 0.0,
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "temporalScore": 9.8,
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "17086-3",
            "17086-2",
            "17084-1",
            "17084-4"
          ]
        }
      ],
      "title": "Integer Overflow vulnerability in mp_grow in libtom libtommath before commit beba892bc0d4e4ded4d667ab1d2a94f4d75109a9 allows attackers to execute arbitrary code and cause a denial of service (DoS)."
    }
  ]
}


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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 confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.