cnvd - cnvd-2021-92454

cnvd-2021-92454

Vulnerability from cnvd

Title: DELL EMC NetWorker文件上传漏洞

Description:

DELL EMC NetWorker是美国戴尔（DELL）公司的一套统一备份和恢复软件。该软件提供备份与恢复、消除重复数据、备份报告等功能。

Dell EMC NetWorker 存在文件上传漏洞，该漏洞源于攻击者在 Dell EMC NetWorker 客户端上可以通过 Nsrexecd Nsrrcopy 上传恶意文件，攻击者可利用此漏洞上传木马文件获取服务器控制权限。

Severity: 中

Patch Name: DELL EMC NetWorker文件上传漏洞的补丁

Patch Description:

DELL EMC NetWorker是美国戴尔（DELL）公司的一套统一备份和恢复软件。该软件提供备份与恢复、消除重复数据、备份报告等功能。

Dell EMC NetWorker 存在文件上传漏洞，该漏洞源于攻击者在 Dell EMC NetWorker 客户端上可以通过 Nsrexecd Nsrrcopy 上传恶意文件，攻击者可利用此漏洞上传木马文件获取服务器控制权限。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description:

厂商已发布了漏洞修复程序，请及时关注更新： https://vigilance.fr/vulnerability/Dell-EMC-NetWorker-Client-file-upload-via-Nsrexecd-Nsrrcopy-36630

Reference: https://nvd.nist.gov/vuln/detail/CVE-2021-36311

Impacted products

Name
Dell EMC NetWorker <19.5.0.0

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-36311",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-36311"
    }
  },
  "description": "DELL EMC NetWorker\u662f\u7f8e\u56fd\u6234\u5c14\uff08DELL\uff09\u516c\u53f8\u7684\u4e00\u5957\u7edf\u4e00\u5907\u4efd\u548c\u6062\u590d\u8f6f\u4ef6\u3002\u8be5\u8f6f\u4ef6\u63d0\u4f9b\u5907\u4efd\u4e0e\u6062\u590d\u3001\u6d88\u9664\u91cd\u590d\u6570\u636e\u3001\u5907\u4efd\u62a5\u544a\u7b49\u529f\u80fd\u3002\n\nDell EMC NetWorker \u5b58\u5728\u6587\u4ef6\u4e0a\u4f20\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u653b\u51fb\u8005\u5728 Dell EMC NetWorker \u5ba2\u6237\u7aef\u4e0a\u53ef\u4ee5\u901a\u8fc7 Nsrexecd Nsrrcopy \u4e0a\u4f20\u6076\u610f\u6587\u4ef6\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u6b64\u6f0f\u6d1e\u4e0a\u4f20\u6728\u9a6c\u6587\u4ef6\u83b7\u53d6\u670d\u52a1\u5668\u63a7\u5236\u6743\u9650\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://vigilance.fr/vulnerability/Dell-EMC-NetWorker-Client-file-upload-via-Nsrexecd-Nsrrcopy-36630",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-92454",
  "openTime": "2021-11-30",
  "patchDescription": "DELL EMC NetWorker\u662f\u7f8e\u56fd\u6234\u5c14\uff08DELL\uff09\u516c\u53f8\u7684\u4e00\u5957\u7edf\u4e00\u5907\u4efd\u548c\u6062\u590d\u8f6f\u4ef6\u3002\u8be5\u8f6f\u4ef6\u63d0\u4f9b\u5907\u4efd\u4e0e\u6062\u590d\u3001\u6d88\u9664\u91cd\u590d\u6570\u636e\u3001\u5907\u4efd\u62a5\u544a\u7b49\u529f\u80fd\u3002\r\n\r\nDell EMC NetWorker \u5b58\u5728\u6587\u4ef6\u4e0a\u4f20\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u653b\u51fb\u8005\u5728 Dell EMC NetWorker \u5ba2\u6237\u7aef\u4e0a\u53ef\u4ee5\u901a\u8fc7 Nsrexecd Nsrrcopy \u4e0a\u4f20\u6076\u610f\u6587\u4ef6\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u6b64\u6f0f\u6d1e\u4e0a\u4f20\u6728\u9a6c\u6587\u4ef6\u83b7\u53d6\u670d\u52a1\u5668\u63a7\u5236\u6743\u9650\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": "DELL EMC NetWorker\u6587\u4ef6\u4e0a\u4f20\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Dell EMC NetWorker \u003c19.5.0.0"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-36311",
  "serverity": "\u4e2d",
  "submitTime": "2021-10-15",
  "title": "DELL EMC NetWorker\u6587\u4ef6\u4e0a\u4f20\u6f0f\u6d1e"
}

CVE-2021-36311 (GCVE-0-2021-36311)

Vulnerability from cvelistv5

Published

2021-11-23 20:00

Modified

2024-09-16 22:09

Severity ?

6.0 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N

CWE

CWE-285 - Improper Authorization

Summary

Dell EMC Networker versions prior to 19.5 contain an Improper Authorization vulnerability. Any local malicious user with networker user privileges may exploit this vulnerability to upload malicious file to unauthorized locations and execute it.

References

▼	URL	Tags
	https://www.dell.com/support/kbdoc/000192419	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	Dell	NetWorker	Version: unspecified < 19.5

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T00:54:51.333Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.dell.com/support/kbdoc/000192419"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "NetWorker",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "19.5",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "datePublic": "2021-10-11T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "Dell EMC Networker versions prior to 19.5 contain an Improper Authorization vulnerability. Any local malicious user with networker user privileges may exploit this vulnerability to upload malicious file to unauthorized locations and execute it."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 6,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-285",
              "description": "CWE-285: Improper Authorization",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-11-23T20:00:35",
        "orgId": "c550e75a-17ff-4988-97f0-544cde3820fe",
        "shortName": "dell"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.dell.com/support/kbdoc/000192419"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "secure@dell.com",
          "DATE_PUBLIC": "2021-10-11",
          "ID": "CVE-2021-36311",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "NetWorker",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_value": "19.5"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Dell"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "Dell EMC Networker versions prior to 19.5 contain an Improper Authorization vulnerability. Any local malicious user with networker user privileges may exploit this vulnerability to upload malicious file to unauthorized locations and execute it."
            }
          ]
        },
        "impact": {
          "cvss": {
            "baseScore": 6,
            "baseSeverity": "Medium",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N",
            "version": "3.1"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-285: Improper Authorization"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.dell.com/support/kbdoc/000192419",
              "refsource": "MISC",
              "url": "https://www.dell.com/support/kbdoc/000192419"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "c550e75a-17ff-4988-97f0-544cde3820fe",
    "assignerShortName": "dell",
    "cveId": "CVE-2021-36311",
    "datePublished": "2021-11-23T20:00:36.009432Z",
    "dateReserved": "2021-07-08T00:00:00",
    "dateUpdated": "2024-09-16T22:09:32.231Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

Action not permitted