cnvd - cnvd-2020-72735

CNVD-2020-72735

Vulnerability from cnvd - Published: 2020-12-19

Title

Kepware Linkmaster权限许可和访问控制问题漏洞

Description

Kepware Linkmaster是美国Kepware公司的一个适用于Windows平台应用于工业上支持OPC DA服务器之间交换数据的软件。该软件提供了一种在OPC服务器之间链接数据的方法，从而成为OPC系统的通用桥，OPC服务器又充当DDE服务器。 Kepware LinkMaster 3.0.94.0存在权限许可和访问控制问题漏洞。攻击者可以利用该漏洞全局覆盖服务配置，以使用NT系统权限执行任意代码。

Severity

高

Patch Name

Kepware Linkmaster权限许可和访问控制问题漏洞的补丁

Patch Description

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://www.kepware.com/en-us/products/linkmaster/

Reference

https://talosintelligence.com/vulnerability_reports/TALOS-2020-1147

Impacted products

Name
kepware Kepware Linkmaster 3.0.94.0

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-13535",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-13535"
    }
  },
  "description": "Kepware Linkmaster\u662f\u7f8e\u56fdKepware\u516c\u53f8\u7684\u4e00\u4e2a\u9002\u7528\u4e8eWindows\u5e73\u53f0\u5e94\u7528\u4e8e\u5de5\u4e1a\u4e0a\u652f\u6301OPC DA\u670d\u52a1\u5668\u4e4b\u95f4\u4ea4\u6362\u6570\u636e\u7684\u8f6f\u4ef6\u3002\u8be5\u8f6f\u4ef6\u63d0\u4f9b\u4e86\u4e00\u79cd\u5728OPC\u670d\u52a1\u5668\u4e4b\u95f4\u94fe\u63a5\u6570\u636e\u7684\u65b9\u6cd5\uff0c\u4ece\u800c\u6210\u4e3aOPC\u7cfb\u7edf\u7684\u901a\u7528\u6865\uff0cOPC\u670d\u52a1\u5668\u53c8\u5145\u5f53DDE\u670d\u52a1\u5668\u3002\n\nKepware LinkMaster 3.0.94.0\u5b58\u5728\u6743\u9650\u8bb8\u53ef\u548c\u8bbf\u95ee\u63a7\u5236\u95ee\u9898\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u8be5\u6f0f\u6d1e\u5168\u5c40\u8986\u76d6\u670d\u52a1\u914d\u7f6e\uff0c\u4ee5\u4f7f\u7528NT\u7cfb\u7edf\u6743\u9650\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://www.kepware.com/en-us/products/linkmaster/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-72735",
  "openTime": "2020-12-19",
  "patchDescription": "Kepware Linkmaster\u662f\u7f8e\u56fdKepware\u516c\u53f8\u7684\u4e00\u4e2a\u9002\u7528\u4e8eWindows\u5e73\u53f0\u5e94\u7528\u4e8e\u5de5\u4e1a\u4e0a\u652f\u6301OPC DA\u670d\u52a1\u5668\u4e4b\u95f4\u4ea4\u6362\u6570\u636e\u7684\u8f6f\u4ef6\u3002\u8be5\u8f6f\u4ef6\u63d0\u4f9b\u4e86\u4e00\u79cd\u5728OPC\u670d\u52a1\u5668\u4e4b\u95f4\u94fe\u63a5\u6570\u636e\u7684\u65b9\u6cd5\uff0c\u4ece\u800c\u6210\u4e3aOPC\u7cfb\u7edf\u7684\u901a\u7528\u6865\uff0cOPC\u670d\u52a1\u5668\u53c8\u5145\u5f53DDE\u670d\u52a1\u5668\u3002\r\n\r\nKepware LinkMaster 3.0.94.0\u5b58\u5728\u6743\u9650\u8bb8\u53ef\u548c\u8bbf\u95ee\u63a7\u5236\u95ee\u9898\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u8be5\u6f0f\u6d1e\u5168\u5c40\u8986\u76d6\u670d\u52a1\u914d\u7f6e\uff0c\u4ee5\u4f7f\u7528NT\u7cfb\u7edf\u6743\u9650\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Kepware Linkmaster\u6743\u9650\u8bb8\u53ef\u548c\u8bbf\u95ee\u63a7\u5236\u95ee\u9898\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "kepware Kepware Linkmaster 3.0.94.0"
  },
  "referenceLink": "https://talosintelligence.com/vulnerability_reports/TALOS-2020-1147",
  "serverity": "\u9ad8",
  "submitTime": "2020-12-17",
  "title": "Kepware Linkmaster\u6743\u9650\u8bb8\u53ef\u548c\u8bbf\u95ee\u63a7\u5236\u95ee\u9898\u6f0f\u6d1e"
}

CVE-2020-13535 (GCVE-0-2020-13535)

Vulnerability from cvelistv5 – Published: 2020-12-18 20:39 – Updated: 2024-08-04 12:18

Summary

A privilege escalation vulnerability exists in Kepware LinkMaster 3.0.94.0. In its default configuration, an attacker can globally overwrite service configuration to execute arbitrary code with NT SYSTEM privileges.

Severity ?

9.3 (Critical)


                        
                          CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

CWE

CWE-276 - Incorrect Default Permissions

Assigner

talos

References

URL

Tags

https://talosintelligence.com/vulnerability_repor…

x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	Kepware	Affected: Kepware LinkMaster 3.0.94.0

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T12:18:18.441Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2020-1147"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Kepware",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "Kepware LinkMaster 3.0.94.0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A privilege escalation vulnerability exists in Kepware LinkMaster 3.0.94.0. In its default configuration, an attacker can globally overwrite service configuration to execute arbitrary code with NT SYSTEM privileges."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 9.3,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-276",
              "description": "CWE-276: Incorrect Default Permissions",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-12-18T20:39:31",
        "orgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b",
        "shortName": "talos"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2020-1147"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "talos-cna@cisco.com",
          "ID": "CVE-2020-13535",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Kepware",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "Kepware LinkMaster 3.0.94.0"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A privilege escalation vulnerability exists in Kepware LinkMaster 3.0.94.0. In its default configuration, an attacker can globally overwrite service configuration to execute arbitrary code with NT SYSTEM privileges."
            }
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        "impact": {
          "cvss": {
            "baseScore": 9.3,
            "baseSeverity": "Critical",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.0"
          }
        },
        "problemtype": {
          "problemtype_data": [
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                {
                  "lang": "eng",
                  "value": "CWE-276: Incorrect Default Permissions"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://talosintelligence.com/vulnerability_reports/TALOS-2020-1147",
              "refsource": "MISC",
              "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2020-1147"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b",
    "assignerShortName": "talos",
    "cveId": "CVE-2020-13535",
    "datePublished": "2020-12-18T20:39:31",
    "dateReserved": "2020-05-26T00:00:00",
    "dateUpdated": "2024-08-04T12:18:18.441Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

Detection rules are retrieved from Rulezet.

Action not permitted

CNVD-2020-72735

CVE-2020-13535 (GCVE-0-2020-13535)

Tags

Sightings

Nomenclature