Vulnerability-Lookup

CNVD-2021-92462

Vulnerability from cnvd - Published: 2021-11-30

Title

baserCMS操作系统命令注入漏洞

Description

baserCMS是baserCMS（Basercms）团队的一套企业级内容管理系统（CMS）。 baserCMS的管理系统存在操作系统命令注入漏洞，具有上传文件权限的攻击者可以利用该漏洞上传精心制作的zip 文件，这些文件可以在主机操作系统上执行任意命令。

Severity

高

Patch Name

baserCMS操作系统命令注入漏洞的补丁

Patch Description

baserCMS是baserCMS（Basercms）团队的一套企业级内容管理系统（CMS）。 baserCMS的管理系统存在操作系统命令注入漏洞，具有上传文件权限的攻击者可以利用该漏洞上传精心制作的zip 文件，这些文件可以在主机操作系统上执行任意命令。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

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://github.com/baserproject/basercms/security/advisories/GHSA-7rpc-9m88-cf9w

Reference

https://jvndb.jvn.jp/en/contents/2021/JVNDB-2021-000106.html

Impacted products

Name
BaserCMS BaserCMS

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-41243"
    }
  },
  "description": "baserCMS\u662fbaserCMS\uff08Basercms\uff09\u56e2\u961f\u7684\u4e00\u5957\u4f01\u4e1a\u7ea7\u5185\u5bb9\u7ba1\u7406\u7cfb\u7edf\uff08CMS\uff09\u3002\n\nbaserCMS\u7684\u7ba1\u7406\u7cfb\u7edf\u5b58\u5728\u64cd\u4f5c\u7cfb\u7edf\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\uff0c\u5177\u6709\u4e0a\u4f20\u6587\u4ef6\u6743\u9650\u7684\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u8be5\u6f0f\u6d1e\u4e0a\u4f20\u7cbe\u5fc3\u5236\u4f5c\u7684zip \u6587\u4ef6\uff0c\u8fd9\u4e9b\u6587\u4ef6\u53ef\u4ee5\u5728\u4e3b\u673a\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u6267\u884c\u4efb\u610f\u547d\u4ee4\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://github.com/baserproject/basercms/security/advisories/GHSA-7rpc-9m88-cf9w",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-92462",
  "openTime": "2021-11-30",
  "patchDescription": "baserCMS\u662fbaserCMS\uff08Basercms\uff09\u56e2\u961f\u7684\u4e00\u5957\u4f01\u4e1a\u7ea7\u5185\u5bb9\u7ba1\u7406\u7cfb\u7edf\uff08CMS\uff09\u3002\r\n\r\nbaserCMS\u7684\u7ba1\u7406\u7cfb\u7edf\u5b58\u5728\u64cd\u4f5c\u7cfb\u7edf\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\uff0c\u5177\u6709\u4e0a\u4f20\u6587\u4ef6\u6743\u9650\u7684\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u8be5\u6f0f\u6d1e\u4e0a\u4f20\u7cbe\u5fc3\u5236\u4f5c\u7684zip \u6587\u4ef6\uff0c\u8fd9\u4e9b\u6587\u4ef6\u53ef\u4ee5\u5728\u4e3b\u673a\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u6267\u884c\u4efb\u610f\u547d\u4ee4\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": "baserCMS\u64cd\u4f5c\u7cfb\u7edf\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "BaserCMS BaserCMS"
  },
  "referenceLink": "https://jvndb.jvn.jp/en/contents/2021/JVNDB-2021-000106.html",
  "serverity": "\u9ad8",
  "submitTime": "2021-11-30",
  "title": "baserCMS\u64cd\u4f5c\u7cfb\u7edf\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e"
}

CVE-2021-41243 (GCVE-0-2021-41243)

Vulnerability from cvelistv5 – Published: 2021-11-26 17:55 – Updated: 2024-08-04 03:08

Title

OS Command Injection Vulnerability and Potential Zip Slip Vulnerability

Summary

There is a Potential Zip Slip Vulnerability and OS Command Injection Vulnerability on the management system of baserCMS. Users with permissions to upload files may upload crafted zip files which may execute arbitrary commands on the host operating system. This is a vulnerability that needs to be addressed when the management system is used by an unspecified number of users. If you are eligible, please update to the new version as soon as possible.

Severity

9.1 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L

CWE

CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Assigner

GitHub_M mitre root

References

2 references

URL	Tags
https://github.com/baserproject/basercms/security…	x_refsource_CONFIRM
https://github.com/baserproject/basercms/commit/9…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
baserproject	basercms	Affected: < 4.5.4

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T03:08:31.498Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/baserproject/basercms/security/advisories/GHSA-7rpc-9m88-cf9w"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/baserproject/basercms/commit/9088b99c329d1faff3a2f1269f37b9a9d8d5f6ff"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "basercms",
          "vendor": "baserproject",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 4.5.4"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "There is a Potential Zip Slip Vulnerability and OS Command Injection Vulnerability on the management system of baserCMS. Users with permissions to upload files may upload crafted zip files which may execute arbitrary commands on the host operating system. This is a vulnerability that needs to be addressed when the management system is used by an unspecified number of users. If you are eligible, please update to the new version as soon as possible."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 9.1,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-78",
              "description": "CWE-78: Improper Neutralization of Special Elements used in an OS Command (\u0027OS Command Injection\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-11-26T17:55:09.000Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/baserproject/basercms/security/advisories/GHSA-7rpc-9m88-cf9w"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/baserproject/basercms/commit/9088b99c329d1faff3a2f1269f37b9a9d8d5f6ff"
        }
      ],
      "source": {
        "advisory": "GHSA-7rpc-9m88-cf9w",
        "discovery": "UNKNOWN"
      },
      "title": "OS Command Injection Vulnerability and Potential Zip Slip Vulnerability",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security-advisories@github.com",
          "ID": "CVE-2021-41243",
          "STATE": "PUBLIC",
          "TITLE": "OS Command Injection Vulnerability and Potential Zip Slip Vulnerability"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "basercms",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "\u003c 4.5.4"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "baserproject"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "There is a Potential Zip Slip Vulnerability and OS Command Injection Vulnerability on the management system of baserCMS. Users with permissions to upload files may upload crafted zip files which may execute arbitrary commands on the host operating system. This is a vulnerability that needs to be addressed when the management system is used by an unspecified number of users. If you are eligible, please update to the new version as soon as possible."
            }
          ]
        },
        "impact": {
          "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 9.1,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L",
            "version": "3.1"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-78: Improper Neutralization of Special Elements used in an OS Command (\u0027OS Command Injection\u0027)"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/baserproject/basercms/security/advisories/GHSA-7rpc-9m88-cf9w",
              "refsource": "CONFIRM",
              "url": "https://github.com/baserproject/basercms/security/advisories/GHSA-7rpc-9m88-cf9w"
            },
            {
              "name": "https://github.com/baserproject/basercms/commit/9088b99c329d1faff3a2f1269f37b9a9d8d5f6ff",
              "refsource": "MISC",
              "url": "https://github.com/baserproject/basercms/commit/9088b99c329d1faff3a2f1269f37b9a9d8d5f6ff"
            }
          ]
        },
        "source": {
          "advisory": "GHSA-7rpc-9m88-cf9w",
          "discovery": "UNKNOWN"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2021-41243",
    "datePublished": "2021-11-26T17:55:09.000Z",
    "dateReserved": "2021-09-15T00:00:00.000Z",
    "dateUpdated": "2024-08-04T03:08:31.498Z",
    "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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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CNVD-2021-92462

CVE-2021-41243 (GCVE-0-2021-41243)

Tags

Sightings

Nomenclature

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