Vulnerability-Lookup

CNVD-2020-52205

Vulnerability from cnvd - Published: 2020-09-16

Title

MikroTik RouterOS资源管理错误漏洞（CNVD-2020-52205）

Description

MikroTik RouterOS是拉脱维亚MikroTik公司的一套基于Linux开发的路由器操作系统。该系统可部署在PC中，使其提供路由器功能。 MikroTik RouterOS 6.41.3版本至6.46.5版本和7版本中存在资源管理错误漏洞，该漏洞源于数组索引错误。攻击者可利用该漏洞修改setup-request包(即su -12964)摧毁SMB服务器。

Severity

中

Patch Name

MikroTik RouterOS资源管理错误漏洞（CNVD-2020-52205）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://github.com/botlabsDev/CVE-2020-11881

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-11881

Impacted products

Name
['MikroTik MikroTik RouterOS >=6.41.3，<=6.46.5', 'MikroTik MikroTik RouterOS 7']

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-11881",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-11881"
    }
  },
  "description": "MikroTik RouterOS\u662f\u62c9\u8131\u7ef4\u4e9aMikroTik\u516c\u53f8\u7684\u4e00\u5957\u57fa\u4e8eLinux\u5f00\u53d1\u7684\u8def\u7531\u5668\u64cd\u4f5c\u7cfb\u7edf\u3002\u8be5\u7cfb\u7edf\u53ef\u90e8\u7f72\u5728PC\u4e2d\uff0c\u4f7f\u5176\u63d0\u4f9b\u8def\u7531\u5668\u529f\u80fd\u3002\n\nMikroTik RouterOS 6.41.3\u7248\u672c\u81f36.46.5\u7248\u672c\u548c7\u7248\u672c\u4e2d\u5b58\u5728\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u6570\u7ec4\u7d22\u5f15\u9519\u8bef\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4fee\u6539setup-request\u5305(\u5373su -12964)\u6467\u6bc1SMB\u670d\u52a1\u5668\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://github.com/botlabsDev/CVE-2020-11881",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-52205",
  "openTime": "2020-09-16",
  "patchDescription": "MikroTik RouterOS\u662f\u62c9\u8131\u7ef4\u4e9aMikroTik\u516c\u53f8\u7684\u4e00\u5957\u57fa\u4e8eLinux\u5f00\u53d1\u7684\u8def\u7531\u5668\u64cd\u4f5c\u7cfb\u7edf\u3002\u8be5\u7cfb\u7edf\u53ef\u90e8\u7f72\u5728PC\u4e2d\uff0c\u4f7f\u5176\u63d0\u4f9b\u8def\u7531\u5668\u529f\u80fd\u3002\r\n\r\nMikroTik RouterOS 6.41.3\u7248\u672c\u81f36.46.5\u7248\u672c\u548c7\u7248\u672c\u4e2d\u5b58\u5728\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u6570\u7ec4\u7d22\u5f15\u9519\u8bef\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4fee\u6539setup-request\u5305(\u5373su -12964)\u6467\u6bc1SMB\u670d\u52a1\u5668\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": "MikroTik RouterOS\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\uff08CNVD-2020-52205\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "MikroTik MikroTik RouterOS \u003e=6.41.3\uff0c\u003c=6.46.5",
      "MikroTik MikroTik RouterOS 7"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-11881",
  "serverity": "\u4e2d",
  "submitTime": "2020-09-16",
  "title": "MikroTik RouterOS\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\uff08CNVD-2020-52205\uff09"
}

CVE-2020-11881 (GCVE-0-2020-11881)

Vulnerability from cvelistv5 – Published: 2020-09-14 20:06 – Updated: 2024-08-04 11:42

Summary

An array index error in MikroTik RouterOS 6.41.3 through 6.46.5, and 7.x through 7.0 Beta5, allows an unauthenticated remote attacker to crash the SMB server via modified setup-request packets, aka SUP-12964.

Severity

No CVSS data available.

CWE

Assigner

mitre

References

2 references

URL	Tags
https://mikrotik.com	x_refsource_MISC
https://github.com/botlabsDev/CVE-2020-11881	x_refsource_MISC

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T11:42:00.638Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://mikrotik.com"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/botlabsDev/CVE-2020-11881"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
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        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An array index error in MikroTik RouterOS 6.41.3 through 6.46.5, and 7.x through 7.0 Beta5, allows an unauthenticated remote attacker to crash the SMB server via modified setup-request packets, aka SUP-12964."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-09-14T20:06:38.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://mikrotik.com"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/botlabsDev/CVE-2020-11881"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2020-11881",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
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          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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            }
          ]
        },
        "problemtype": {
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            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://mikrotik.com",
              "refsource": "MISC",
              "url": "https://mikrotik.com"
            },
            {
              "name": "https://github.com/botlabsDev/CVE-2020-11881",
              "refsource": "MISC",
              "url": "https://github.com/botlabsDev/CVE-2020-11881"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2020-11881",
    "datePublished": "2020-09-14T20:06:38.000Z",
    "dateReserved": "2020-04-17T00:00:00.000Z",
    "dateUpdated": "2024-08-04T11:42:00.638Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

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-2020-52205

CVE-2020-11881 (GCVE-0-2020-11881)

Tags

Sightings

Nomenclature