CVE-2021-26608 (GCVE-0-2021-26608)

Vulnerability from cvelistv5 – Published: 2021-09-09 12:54 – Updated: 2024-08-03 20:26
VLAI?
Title
handysoft groupware arbitrary file download and execution vulnerability
Summary
An arbitrary file download and execution vulnerability was found in the HShell.dll of handysoft Co., Ltd groupware ActiveX module. This issue is due to missing support for integrity check of download URL or downloaded file hash.
CWE
  • CWE-353 - Missing Support for Integrity Check
Assigner
References
Impacted products
Vendor Product Version
handysoft HShell.dll Affected: 1.7.4.5
Affected: 2.0.3.5
Affected: 4.0.1.6
Create a notification for this product.
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T20:26:25.562Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36239"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "platforms": [
            "Windows"
          ],
          "product": "HShell.dll",
          "vendor": "handysoft",
          "versions": [
            {
              "status": "affected",
              "version": "1.7.4.5"
            },
            {
              "status": "affected",
              "version": "2.0.3.5"
            },
            {
              "status": "affected",
              "version": "4.0.1.6"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An arbitrary file download and execution vulnerability was found in the HShell.dll of handysoft Co., Ltd groupware ActiveX module. This issue is due to missing support for integrity check of download URL or downloaded file hash."
        }
      ],
      "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"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-353",
              "description": "CWE-353 Missing Support for Integrity Check",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-09-09T12:54:23",
        "orgId": "cdd7a122-0fae-4202-8d86-14efbacc2863",
        "shortName": "krcert"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36239"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "handysoft groupware arbitrary file download and execution vulnerability",
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "vuln@krcert.or.kr",
          "ID": "CVE-2021-26608",
          "STATE": "PUBLIC",
          "TITLE": "handysoft groupware arbitrary file download and execution vulnerability"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "HShell.dll",
                      "version": {
                        "version_data": [
                          {
                            "platform": "Windows",
                            "version_affected": "=",
                            "version_name": "1.7.4.5",
                            "version_value": "1.7.4.5"
                          },
                          {
                            "platform": "Windows",
                            "version_affected": "=",
                            "version_name": "2.0.3.5",
                            "version_value": "2.0.3.5"
                          },
                          {
                            "platform": "Windows",
                            "version_affected": "=",
                            "version_name": "4.0.1.6",
                            "version_value": "4.0.1.6"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "handysoft"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "An arbitrary file download and execution vulnerability was found in the HShell.dll of handysoft Co., Ltd groupware ActiveX module. This issue is due to missing support for integrity check of download URL or downloaded file hash."
            }
          ]
        },
        "generator": {
          "engine": "Vulnogram 0.0.9"
        },
        "impact": {
          "cvss": {
            "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"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-353 Missing Support for Integrity Check"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36239",
              "refsource": "MISC",
              "url": "https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36239"
            }
          ]
        },
        "source": {
          "discovery": "UNKNOWN"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "cdd7a122-0fae-4202-8d86-14efbacc2863",
    "assignerShortName": "krcert",
    "cveId": "CVE-2021-26608",
    "datePublished": "2021-09-09T12:54:23",
    "dateReserved": "2021-02-03T00:00:00",
    "dateUpdated": "2024-08-03T20:26:25.562Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "fkie_nvd": {
      "configurations": "[{\"operator\": \"AND\", \"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:handysoft:hshell:1.7.4.5:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"FB9DCED4-15F3-46A3-B119-FE1C2916E6CB\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:handysoft:hshell:2.0.3.5:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"F5A2C99D-8FD6-4E9B-96F0-0649E6B6442A\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:handysoft:hshell:4.0.1.6:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"79C4224E-0FD4-45FA-A2D1-7C06DE22B864\"}]}, {\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": false, \"criteria\": \"cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"A2572D17-1DE6-457B-99CC-64AFD54487EA\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"An arbitrary file download and execution vulnerability was found in the HShell.dll of handysoft Co., Ltd groupware ActiveX module. This issue is due to missing support for integrity check of download URL or downloaded file hash.\"}, {\"lang\": \"es\", \"value\": \"Se ha encontrado una vulnerabilidad de descarga y ejecuci\\u00f3n arbitraria de archivos en el m\\u00f3dulo HShell.dll del groupware ActiveX de handysoft Co., Ltd. Este problema es debido a una falta de soporte para la comprobaci\\u00f3n de la integridad de la URL de descarga o del hash del archivo descargado\"}]",
      "id": "CVE-2021-26608",
      "lastModified": "2024-11-21T05:56:34.713",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"vuln@krcert.or.kr\", \"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:N/S:U/C:H/I:H/A:H\", \"baseScore\": 9.8, \"baseSeverity\": \"CRITICAL\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 5.9}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:L/Au:N/C:P/I:P/A:P\", \"baseScore\": 7.5, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"PARTIAL\", \"integrityImpact\": \"PARTIAL\", \"availabilityImpact\": \"PARTIAL\"}, \"baseSeverity\": \"HIGH\", \"exploitabilityScore\": 10.0, \"impactScore\": 6.4, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2021-09-09T13:15:08.543",
      "references": "[{\"url\": \"https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36239\", \"source\": \"vuln@krcert.or.kr\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36239\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}]",
      "sourceIdentifier": "vuln@krcert.or.kr",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"vuln@krcert.or.kr\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-353\"}]}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-345\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-26608\",\"sourceIdentifier\":\"vuln@krcert.or.kr\",\"published\":\"2021-09-09T13:15:08.543\",\"lastModified\":\"2024-11-21T05:56:34.713\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"An arbitrary file download and execution vulnerability was found in the HShell.dll of handysoft Co., Ltd groupware ActiveX module. This issue is due to missing support for integrity check of download URL or downloaded file hash.\"},{\"lang\":\"es\",\"value\":\"Se ha encontrado una vulnerabilidad de descarga y ejecuci\u00f3n arbitraria de archivos en el m\u00f3dulo HShell.dll del groupware ActiveX de handysoft Co., Ltd. Este problema es debido a una falta de soporte para la comprobaci\u00f3n de la integridad de la URL de descarga o del hash del archivo descargado\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"vuln@krcert.or.kr\",\"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:N/S:U/C:H/I:H/A:H\",\"baseScore\":9.8,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:P/I:P/A:P\",\"baseScore\":7.5,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":10.0,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"vuln@krcert.or.kr\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-353\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-345\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:handysoft:hshell:1.7.4.5:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"FB9DCED4-15F3-46A3-B119-FE1C2916E6CB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:handysoft:hshell:2.0.3.5:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F5A2C99D-8FD6-4E9B-96F0-0649E6B6442A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:handysoft:hshell:4.0.1.6:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"79C4224E-0FD4-45FA-A2D1-7C06DE22B864\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A2572D17-1DE6-457B-99CC-64AFD54487EA\"}]}]}],\"references\":[{\"url\":\"https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36239\",\"source\":\"vuln@krcert.or.kr\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36239\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Sightings

Author Source Type Date

Nomenclature

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


Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…