Vulnerability-Lookup

CNVD-2021-38315

Vulnerability from cnvd - Published: 2021-06-01

Title

Chamilo XML外部实体注入漏洞

Description

Chamilo是一款专注于易用性和可访问性的学习管理系统。 Chamilo 1.11.14版本存在XML外部实体注入漏洞。该漏洞源于admin/user_import.php未禁用加载外部实体能力的情况下读取XML数据，远程攻击者可通过发送特制的XML文件利用该漏洞读取文件。

Severity

中

Patch Name

Chamilo XML外部实体注入漏洞的补丁

Patch Description

Chamilo是一款专注于易用性和可访问性的学习管理系统。 Chamilo 1.11.14版本存在XML外部实体注入漏洞。该漏洞源于admin/user_import.php未禁用加载外部实体能力的情况下读取XML数据，远程攻击者可通过发送特制的XML文件利用该漏洞读取文件。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://github.com/chamilo/chamilo-lms/commit/e71437c8de809044ba3ae1b181d70857c050a3e9

Reference

https://www.php.net/manual/en/function.libxml-disable-entity-loader.php

Impacted products

Name
Chamilo Chamilo 1.11.14

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-32925",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-32925"
    }
  },
  "description": "Chamilo\u662f\u4e00\u6b3e\u4e13\u6ce8\u4e8e\u6613\u7528\u6027\u548c\u53ef\u8bbf\u95ee\u6027\u7684\u5b66\u4e60\u7ba1\u7406\u7cfb\u7edf\u3002\n\nChamilo 1.11.14\u7248\u672c\u5b58\u5728XML\u5916\u90e8\u5b9e\u4f53\u6ce8\u5165\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8eadmin/user_import.php\u672a\u7981\u7528\u52a0\u8f7d\u5916\u90e8\u5b9e\u4f53\u80fd\u529b\u7684\u60c5\u51b5\u4e0b\u8bfb\u53d6XML\u6570\u636e\uff0c\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u53d1\u9001\u7279\u5236\u7684XML\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u8bfb\u53d6\u6587\u4ef6\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/chamilo/chamilo-lms/commit/e71437c8de809044ba3ae1b181d70857c050a3e9",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-38315",
  "openTime": "2021-06-01",
  "patchDescription": "Chamilo\u662f\u4e00\u6b3e\u4e13\u6ce8\u4e8e\u6613\u7528\u6027\u548c\u53ef\u8bbf\u95ee\u6027\u7684\u5b66\u4e60\u7ba1\u7406\u7cfb\u7edf\u3002\r\n\r\nChamilo 1.11.14\u7248\u672c\u5b58\u5728XML\u5916\u90e8\u5b9e\u4f53\u6ce8\u5165\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8eadmin/user_import.php\u672a\u7981\u7528\u52a0\u8f7d\u5916\u90e8\u5b9e\u4f53\u80fd\u529b\u7684\u60c5\u51b5\u4e0b\u8bfb\u53d6XML\u6570\u636e\uff0c\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u53d1\u9001\u7279\u5236\u7684XML\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u8bfb\u53d6\u6587\u4ef6\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": "Chamilo XML\u5916\u90e8\u5b9e\u4f53\u6ce8\u5165\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Chamilo Chamilo 1.11.14"
  },
  "referenceLink": "https://www.php.net/manual/en/function.libxml-disable-entity-loader.php",
  "serverity": "\u4e2d",
  "submitTime": "2021-05-14",
  "title": "Chamilo XML\u5916\u90e8\u5b9e\u4f53\u6ce8\u5165\u6f0f\u6d1e"
}

CVE-2021-32925 (GCVE-0-2021-32925)

Vulnerability from cvelistv5 – Published: 2021-05-13 17:50 – Updated: 2024-08-03 23:33

Summary

admin/user_import.php in Chamilo 1.11.x reads XML data without disabling the ability to load external entities.

Severity

No CVSS data available.

CWE

Assigner

mitre

References

4 references

URL	Tags
https://github.com/chamilo/chamilo-lms/commit/e71…	x_refsource_MISC
https://www.php.net/manual/en/function.libxml-dis…	x_refsource_MISC
https://github.com/andrejspuler/writeups/blob/mai…	x_refsource_MISC
https://support.chamilo.org/projects/1/wiki/Secur…	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T23:33:55.941Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/chamilo/chamilo-lms/commit/e71437c8de809044ba3ae1b181d70857c050a3e9"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.php.net/manual/en/function.libxml-disable-entity-loader.php"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/andrejspuler/writeups/blob/main/chamilo-lms/README.md#authenticated-rcelfi-in-user-import-via-xml-external-entity---cve-2021-32925"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://support.chamilo.org/projects/1/wiki/Security_issues#Issue-58-2021-05-12-High-impact-very-low-risk-LFIRCE-vulnerability-in-users-import"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "admin/user_import.php in Chamilo 1.11.x reads XML data without disabling the ability to load external entities."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-09-08T13:43:18.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/chamilo/chamilo-lms/commit/e71437c8de809044ba3ae1b181d70857c050a3e9"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.php.net/manual/en/function.libxml-disable-entity-loader.php"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/andrejspuler/writeups/blob/main/chamilo-lms/README.md#authenticated-rcelfi-in-user-import-via-xml-external-entity---cve-2021-32925"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://support.chamilo.org/projects/1/wiki/Security_issues#Issue-58-2021-05-12-High-impact-very-low-risk-LFIRCE-vulnerability-in-users-import"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-32925",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
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              "lang": "eng",
              "value": "admin/user_import.php in Chamilo 1.11.x reads XML data without disabling the ability to load external entities."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/chamilo/chamilo-lms/commit/e71437c8de809044ba3ae1b181d70857c050a3e9",
              "refsource": "MISC",
              "url": "https://github.com/chamilo/chamilo-lms/commit/e71437c8de809044ba3ae1b181d70857c050a3e9"
            },
            {
              "name": "https://www.php.net/manual/en/function.libxml-disable-entity-loader.php",
              "refsource": "MISC",
              "url": "https://www.php.net/manual/en/function.libxml-disable-entity-loader.php"
            },
            {
              "name": "https://github.com/andrejspuler/writeups/blob/main/chamilo-lms/README.md#authenticated-rcelfi-in-user-import-via-xml-external-entity---cve-2021-32925",
              "refsource": "MISC",
              "url": "https://github.com/andrejspuler/writeups/blob/main/chamilo-lms/README.md#authenticated-rcelfi-in-user-import-via-xml-external-entity---cve-2021-32925"
            },
            {
              "name": "https://support.chamilo.org/projects/1/wiki/Security_issues#Issue-58-2021-05-12-High-impact-very-low-risk-LFIRCE-vulnerability-in-users-import",
              "refsource": "MISC",
              "url": "https://support.chamilo.org/projects/1/wiki/Security_issues#Issue-58-2021-05-12-High-impact-very-low-risk-LFIRCE-vulnerability-in-users-import"
            }
          ]
        }
      }
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  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2021-32925",
    "datePublished": "2021-05-13T17:50:38.000Z",
    "dateReserved": "2021-05-13T00:00:00.000Z",
    "dateUpdated": "2024-08-03T23:33:55.941Z",
    "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.

Action not permitted

CNVD-2021-38315

CVE-2021-32925 (GCVE-0-2021-32925)

Tags

Sightings

Nomenclature