Vulnerability-Lookup

CNVD-2021-53905

Vulnerability from cnvd - Published: 2021-07-23

Title

elFinder代码问题漏洞

Description

elFinder是一套基于Drupal平台的、开源的AJAX文件管理器。该产品提供多文件上传、图像缩放等功能。 elFinder存在安全漏洞，攻击者可利用该漏洞在托管elFinder PHP连接器的服务器上执行任意代码和命令。

Severity

高

Patch Name

elFinder代码问题漏洞的补丁

Patch Description

elFinder是一套基于Drupal平台的、开源的AJAX文件管理器。该产品提供多文件上传、图像缩放等功能。 elFinder存在安全漏洞，攻击者可利用该漏洞在托管elFinder PHP连接器的服务器上执行任意代码和命令。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/Studio-42/elFinder/commit/a106c350b7dfe666a81d6b576816db9fe0899b17

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-32682

Impacted products

Name
elFinder elFinder 2.1.58

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-32682"
    }
  },
  "description": "elFinder\u662f\u4e00\u5957\u57fa\u4e8eDrupal\u5e73\u53f0\u7684\u3001\u5f00\u6e90\u7684AJAX\u6587\u4ef6\u7ba1\u7406\u5668\u3002\u8be5\u4ea7\u54c1\u63d0\u4f9b\u591a\u6587\u4ef6\u4e0a\u4f20\u3001\u56fe\u50cf\u7f29\u653e\u7b49\u529f\u80fd\u3002\n\nelFinder\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u6258\u7ba1elFinder PHP\u8fde\u63a5\u5668\u7684\u670d\u52a1\u5668\u4e0a\u6267\u884c\u4efb\u610f\u4ee3\u7801\u548c\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/Studio-42/elFinder/commit/a106c350b7dfe666a81d6b576816db9fe0899b17",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-53905",
  "openTime": "2021-07-23",
  "patchDescription": "elFinder\u662f\u4e00\u5957\u57fa\u4e8eDrupal\u5e73\u53f0\u7684\u3001\u5f00\u6e90\u7684AJAX\u6587\u4ef6\u7ba1\u7406\u5668\u3002\u8be5\u4ea7\u54c1\u63d0\u4f9b\u591a\u6587\u4ef6\u4e0a\u4f20\u3001\u56fe\u50cf\u7f29\u653e\u7b49\u529f\u80fd\u3002\r\n\r\nelFinder\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u6258\u7ba1elFinder PHP\u8fde\u63a5\u5668\u7684\u670d\u52a1\u5668\u4e0a\u6267\u884c\u4efb\u610f\u4ee3\u7801\u548c\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": "elFinder\u4ee3\u7801\u95ee\u9898\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "elFinder elFinder  2.1.58"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-32682",
  "serverity": "\u9ad8",
  "submitTime": "2021-06-17",
  "title": "elFinder\u4ee3\u7801\u95ee\u9898\u6f0f\u6d1e"
}

CVE-2021-32682 (GCVE-0-2021-32682)

Vulnerability from cvelistv5 – Published: 2021-06-14 16:45 – Updated: 2024-08-03 23:25

Title

Multiple vulnerabilities leading to RCE

Summary

elFinder is an open-source file manager for web, written in JavaScript using jQuery UI. Several vulnerabilities affect elFinder 2.1.58. These vulnerabilities can allow an attacker to execute arbitrary code and commands on the server hosting the elFinder PHP connector, even with minimal configuration. The issues were patched in version 2.1.59. As a workaround, ensure the connector is not exposed without authentication.

Severity

9.8 (Critical)


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

CWE

CWE-918 - Server-Side Request Forgery (SSRF)
CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Assigner

GitHub_M mitre root

References

4 references

URL	Tags
https://github.com/Studio-42/elFinder/security/ad…	x_refsource_CONFIRM
https://github.com/Studio-42/elFinder/commit/a106…	x_refsource_MISC
http://packetstormsecurity.com/files/164173/elFin…	x_refsource_MISC
https://blog.sonarsource.com/elfinder-case-study-…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
Studio-42	elFinder	Affected: = 2.1.58

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T23:25:31.074Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/Studio-42/elFinder/security/advisories/GHSA-wph3-44rj-92pr"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/Studio-42/elFinder/commit/a106c350b7dfe666a81d6b576816db9fe0899b17"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "http://packetstormsecurity.com/files/164173/elFinder-Archive-Command-Injection.html"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://blog.sonarsource.com/elfinder-case-study-of-web-file-manager-vulnerabilities/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "elFinder",
          "vendor": "Studio-42",
          "versions": [
            {
              "status": "affected",
              "version": "= 2.1.58"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "elFinder is an open-source file manager for web, written in JavaScript using jQuery UI. Several vulnerabilities affect elFinder 2.1.58. These vulnerabilities can allow an attacker to execute arbitrary code and commands on the server hosting the elFinder PHP connector, even with minimal configuration. The issues were patched in version 2.1.59. As a workaround, ensure the connector is not exposed without authentication."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-918",
              "description": "CWE-918: Server-Side Request Forgery (SSRF)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-22",
              "description": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "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": "2022-08-02T15:17:08.000Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/Studio-42/elFinder/security/advisories/GHSA-wph3-44rj-92pr"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/Studio-42/elFinder/commit/a106c350b7dfe666a81d6b576816db9fe0899b17"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "http://packetstormsecurity.com/files/164173/elFinder-Archive-Command-Injection.html"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://blog.sonarsource.com/elfinder-case-study-of-web-file-manager-vulnerabilities/"
        }
      ],
      "source": {
        "advisory": "GHSA-wph3-44rj-92pr",
        "discovery": "UNKNOWN"
      },
      "title": "Multiple vulnerabilities leading to RCE",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security-advisories@github.com",
          "ID": "CVE-2021-32682",
          "STATE": "PUBLIC",
          "TITLE": "Multiple vulnerabilities leading to RCE"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "elFinder",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "= 2.1.58"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Studio-42"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "elFinder is an open-source file manager for web, written in JavaScript using jQuery UI. Several vulnerabilities affect elFinder 2.1.58. These vulnerabilities can allow an attacker to execute arbitrary code and commands on the server hosting the elFinder PHP connector, even with minimal configuration. The issues were patched in version 2.1.59. As a workaround, ensure the connector is not exposed without authentication."
            }
          ]
        },
        "impact": {
          "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-918: Server-Side Request Forgery (SSRF)"
                }
              ]
            },
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)"
                }
              ]
            },
            {
              "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/Studio-42/elFinder/security/advisories/GHSA-wph3-44rj-92pr",
              "refsource": "CONFIRM",
              "url": "https://github.com/Studio-42/elFinder/security/advisories/GHSA-wph3-44rj-92pr"
            },
            {
              "name": "https://github.com/Studio-42/elFinder/commit/a106c350b7dfe666a81d6b576816db9fe0899b17",
              "refsource": "MISC",
              "url": "https://github.com/Studio-42/elFinder/commit/a106c350b7dfe666a81d6b576816db9fe0899b17"
            },
            {
              "name": "http://packetstormsecurity.com/files/164173/elFinder-Archive-Command-Injection.html",
              "refsource": "MISC",
              "url": "http://packetstormsecurity.com/files/164173/elFinder-Archive-Command-Injection.html"
            },
            {
              "name": "https://blog.sonarsource.com/elfinder-case-study-of-web-file-manager-vulnerabilities/",
              "refsource": "MISC",
              "url": "https://blog.sonarsource.com/elfinder-case-study-of-web-file-manager-vulnerabilities/"
            }
          ]
        },
        "source": {
          "advisory": "GHSA-wph3-44rj-92pr",
          "discovery": "UNKNOWN"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2021-32682",
    "datePublished": "2021-06-14T16:45:11.000Z",
    "dateReserved": "2021-05-12T00:00:00.000Z",
    "dateUpdated": "2024-08-03T23:25:31.074Z",
    "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.

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.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.