CVE-2024-40721
Vulnerability from cvelistv5
Published
2024-08-02 10:14
Modified
2024-08-02 13:47
Summary
The specific API in TCBServiSign Windows Version from CHANGING Information Technology does not properly validate server-side input. When a user visits a spoofed website, unauthenticated remote attackers can cause the TCBServiSign to load a DLL from an arbitrary path.
Impacted products
Vendor Product Version
Show details on NVD website


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            "cpes": [
              "cpe:2.3:a:changingtec:servisign:*:*:*:*:*:windows:*:*"
            ],
            "defaultStatus": "unaffected",
            "product": "servisign",
            "vendor": "changingtec",
            "versions": [
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                "status": "affected",
                "version": "0",
                "versionType": "custom"
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        "metrics": [
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                "id": "CVE-2024-40721",
                "options": [
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                    "Exploitation": "none"
                  },
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                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-08-02T13:36:20.673168Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-08-02T13:47:51.345Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
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          "product": "TCBServiSign Windows Version",
          "vendor": "CHANGING Information Technology",
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              "status": "affected",
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      "datePublic": "2024-08-02T10:11:00.000Z",
      "descriptions": [
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      ],
      "impacts": [
        {
          "capecId": "CAPEC-251",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-251 Local Code Inclusion"
            }
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        }
      ],
      "metrics": [
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          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
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          "scenarios": [
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              "value": "GENERAL"
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      "problemTypes": [
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          "descriptions": [
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              "description": "CWE-20 Improper Input Validation",
              "lang": "en",
              "type": "CWE"
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      "providerMetadata": {
        "dateUpdated": "2024-08-02T10:14:39.889Z",
        "orgId": "cded6c7f-6ce5-4948-8f87-aa7a3bbb6b0e",
        "shortName": "twcert"
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      "references": [
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          "tags": [
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          "url": "https://www.twcert.org.tw/tw/cp-132-7966-8c6c3-1.html"
        },
        {
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          "url": "https://www.twcert.org.tw/en/cp-139-7972-01a6e-2.html"
        }
      ],
      "solutions": [
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              "type": "text/html",
              "value": "\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eUpdate to version 1.0.24.0318 or later.\u003c/span\u003e\n\n\u003cbr\u003e"
            }
          ],
          "value": "Update to version 1.0.24.0318 or later."
        }
      ],
      "source": {
        "advisory": "TVN-202407016",
        "discovery": "EXTERNAL"
      },
      "title": "CHANGING Information Technology TCBServiSign Windows Version - Improper Input Validation",
      "x_generator": {
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  },
  "cveMetadata": {
    "assignerOrgId": "cded6c7f-6ce5-4948-8f87-aa7a3bbb6b0e",
    "assignerShortName": "twcert",
    "cveId": "CVE-2024-40721",
    "datePublished": "2024-08-02T10:14:39.889Z",
    "dateReserved": "2024-07-09T03:30:54.516Z",
    "dateUpdated": "2024-08-02T13:47:51.345Z",
    "state": "PUBLISHED"
  },
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  "meta": {
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  }
}


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