CVE-2024-40720
Vulnerability from cvelistv5
Published
2024-08-02 10:10
Modified
2024-08-02 16:08
Severity ?
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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 modify the `HKEY_CURRENT_USER` registry to execute arbitrary commands.
References
twcert@cert.org.twhttps://www.twcert.org.tw/en/cp-139-7971-d9584-2.htmlThird Party Advisory
twcert@cert.org.twhttps://www.twcert.org.tw/tw/cp-132-7965-8285d-1.htmlThird Party Advisory
Impacted products
Vendor Product Version
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:a:changinginformationtechnology:tcbservisign:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "tcbservisign",
            "vendor": "changinginformationtechnology",
            "versions": [
              {
                "lessThan": "1.0.24.0318",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          }
        ],
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2024-40720",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-08-02T16:06:13.562780Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-08-02T16:08:16.108Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "TCBServiSign Windows Version",
          "vendor": "CHANGING Information Technology",
          "versions": [
            {
              "lessThan": "1.0.24.0318",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "datePublic": "2024-08-02T10:06:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eThe 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 modify the `HKEY_CURRENT_USER` registry to execute arbitrary commands.\u003c/span\u003e"
            }
          ],
          "value": "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 modify the `HKEY_CURRENT_USER` registry to execute arbitrary commands."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-270",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-270 Modification of Registry Run Keys"
            }
          ]
        }
      ],
      "metrics": [
        {
          "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"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-20",
              "description": "CWE-20 Improper Input Validation",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-08-02T10:10:16.249Z",
        "orgId": "cded6c7f-6ce5-4948-8f87-aa7a3bbb6b0e",
        "shortName": "twcert"
      },
      "references": [
        {
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.twcert.org.tw/tw/cp-132-7965-8285d-1.html"
        },
        {
          "url": "https://www.twcert.org.tw/en/cp-139-7971-d9584-2.html"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "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-202407015",
        "discovery": "EXTERNAL"
      },
      "title": "CHANGING Information Technology TCBServiSign Windows Version - Improper Input Validation",
      "x_generator": {
        "engine": "Vulnogram 0.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "cded6c7f-6ce5-4948-8f87-aa7a3bbb6b0e",
    "assignerShortName": "twcert",
    "cveId": "CVE-2024-40720",
    "datePublished": "2024-08-02T10:10:16.249Z",
    "dateReserved": "2024-07-09T03:30:54.516Z",
    "dateUpdated": "2024-08-02T16:08:16.108Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-40720\",\"sourceIdentifier\":\"twcert@cert.org.tw\",\"published\":\"2024-08-02T11:16:42.763\",\"lastModified\":\"2024-08-09T14:36:35.047\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"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 modify the `HKEY_CURRENT_USER` registry to execute arbitrary commands.\"},{\"lang\":\"es\",\"value\":\"La API espec\u00edfica en TCBServiSign Windows Version de CHANGING Information Technology no valida correctamente la entrada del lado del servidor. Cuando un usuario visita un sitio web falsificado, atacantes remotos no autenticados pueden modificar el registro `HKEY_CURRENT_USER` para ejecutar comandos arbitrarios.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"twcert@cert.org.tw\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H\",\"baseScore\":8.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.8,\"impactScore\":5.9},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H\",\"baseScore\":8.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.8,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"twcert@cert.org.tw\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-20\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:changingtec:tcb_servisign:*:*:*:*:*:windows:*:*\",\"versionEndExcluding\":\"1.0.24.0318\",\"matchCriteriaId\":\"4F2A798C-915D-4A62-A562-5B1AFE7899A9\"}]}]}],\"references\":[{\"url\":\"https://www.twcert.org.tw/en/cp-139-7971-d9584-2.html\",\"source\":\"twcert@cert.org.tw\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.twcert.org.tw/tw/cp-132-7965-8285d-1.html\",\"source\":\"twcert@cert.org.tw\",\"tags\":[\"Third Party Advisory\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.