Vulnerability-Lookup

CNVD-2021-102797

Vulnerability from cnvd - Published: 2021-12-27

Title

Apache NiFi代码问题漏洞（CNVD-2021-102797）

Description

Apache NiFi是美国阿帕奇（Apache）基金会的一套数据处理和分发系统。该系统主要用于数据路由、转换和系统中介逻辑。 Apache NiFi 的 TransformXML存在代码问题漏洞，该漏洞源于在1.15.1之前的Apache NiFi的TransformXML处理器中，经过身份验证的用户可以配置XSLT文件，如果该文件包含恶意的外部实体调用，可能会暴露敏感信息。目前没有详细的漏洞细节提供。

Severity

中

Patch Name

Apache NiFi代码问题漏洞（CNVD-2021-102797）的补丁

Patch Description

Formal description

目前厂商已发布升级补丁以修复漏洞，详情请关注厂商主页： https://nifi.apache.org/security.html#1.15.1-vulnerabilities

Reference

https://www.cybersecurity-help.cz/vdb/SB2021121704

Impacted products

Name
Apache Nifi

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-44145"
    }
  },
  "description": "Apache NiFi\u662f\u7f8e\u56fd\u963f\u5e15\u5947\uff08Apache\uff09\u57fa\u91d1\u4f1a\u7684\u4e00\u5957\u6570\u636e\u5904\u7406\u548c\u5206\u53d1\u7cfb\u7edf\u3002\u8be5\u7cfb\u7edf\u4e3b\u8981\u7528\u4e8e\u6570\u636e\u8def\u7531\u3001\u8f6c\u6362\u548c\u7cfb\u7edf\u4e2d\u4ecb\u903b\u8f91\u3002\n\nApache NiFi \u7684 TransformXML\u5b58\u5728\u4ee3\u7801\u95ee\u9898\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u57281.15.1\u4e4b\u524d\u7684Apache NiFi\u7684TransformXML\u5904\u7406\u5668\u4e2d\uff0c\u7ecf\u8fc7\u8eab\u4efd\u9a8c\u8bc1\u7684\u7528\u6237\u53ef\u4ee5\u914d\u7f6eXSLT\u6587\u4ef6\uff0c\u5982\u679c\u8be5\u6587\u4ef6\u5305\u542b\u6076\u610f\u7684\u5916\u90e8\u5b9e\u4f53\u8c03\u7528\uff0c\u53ef\u80fd\u4f1a\u66b4\u9732\u654f\u611f\u4fe1\u606f\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8be6\u60c5\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\uff1a\r\nhttps://nifi.apache.org/security.html#1.15.1-vulnerabilities",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-102797",
  "openTime": "2021-12-27",
  "patchDescription": "Apache NiFi\u662f\u7f8e\u56fd\u963f\u5e15\u5947\uff08Apache\uff09\u57fa\u91d1\u4f1a\u7684\u4e00\u5957\u6570\u636e\u5904\u7406\u548c\u5206\u53d1\u7cfb\u7edf\u3002\u8be5\u7cfb\u7edf\u4e3b\u8981\u7528\u4e8e\u6570\u636e\u8def\u7531\u3001\u8f6c\u6362\u548c\u7cfb\u7edf\u4e2d\u4ecb\u903b\u8f91\u3002\r\n\r\nApache NiFi \u7684 TransformXML\u5b58\u5728\u4ee3\u7801\u95ee\u9898\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u57281.15.1\u4e4b\u524d\u7684Apache NiFi\u7684TransformXML\u5904\u7406\u5668\u4e2d\uff0c\u7ecf\u8fc7\u8eab\u4efd\u9a8c\u8bc1\u7684\u7528\u6237\u53ef\u4ee5\u914d\u7f6eXSLT\u6587\u4ef6\uff0c\u5982\u679c\u8be5\u6587\u4ef6\u5305\u542b\u6076\u610f\u7684\u5916\u90e8\u5b9e\u4f53\u8c03\u7528\uff0c\u53ef\u80fd\u4f1a\u66b4\u9732\u654f\u611f\u4fe1\u606f\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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": "Apache NiFi\u4ee3\u7801\u95ee\u9898\u6f0f\u6d1e\uff08CNVD-2021-102797\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Apache Nifi"
  },
  "referenceLink": "https://www.cybersecurity-help.cz/vdb/SB2021121704",
  "serverity": "\u4e2d",
  "submitTime": "2021-12-21",
  "title": "Apache NiFi\u4ee3\u7801\u95ee\u9898\u6f0f\u6d1e\uff08CNVD-2021-102797\uff09"
}

CVE-2021-44145 (GCVE-0-2021-44145)

Vulnerability from cvelistv5 – Published: 2021-12-17 08:50 – Updated: 2024-08-04 04:17

Title

Apache NiFi information disclosure by XXE

Summary

In the TransformXML processor of Apache NiFi before 1.15.1 an authenticated user could configure an XSLT file which, if it included malicious external entity calls, may reveal sensitive information.

Severity

No CVSS data available.

CWE

Sensitive information disclosure

Assigner

apache mitre root

References

2 references

URL	Tags
https://nifi.apache.org/security.html#1.15.1-vuln…	x_refsource_MISC
http://www.openwall.com/lists/oss-security/2021/12/17/1	mailing-listx_refsource_MLIST

Impacted products

1 product

Vendor	Product	Version
Apache Software Foundation	Apache NiFi	Affected: Apache NiFi , ≤ 1.15.0 (custom)

Credits

This issue was discovered by DangKhai at Viettel Cyber Security.

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T04:17:24.439Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://nifi.apache.org/security.html#1.15.1-vulnerabilities"
          },
          {
            "name": "[oss-security] 20211216 CVE-2021-44145: Apache NiFi information disclosure by XXE",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2021/12/17/1"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Apache NiFi",
          "vendor": "Apache Software Foundation",
          "versions": [
            {
              "lessThanOrEqual": "1.15.0",
              "status": "affected",
              "version": "Apache NiFi",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "This issue was discovered by DangKhai at Viettel Cyber Security."
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the TransformXML processor of Apache NiFi before 1.15.1 an authenticated user could configure an XSLT file which, if it included malicious external entity calls, may reveal sensitive information."
        }
      ],
      "metrics": [
        {
          "other": {
            "content": {
              "other": "Low"
            },
            "type": "unknown"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Sensitive information disclosure",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-12-17T09:06:06.000Z",
        "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
        "shortName": "apache"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://nifi.apache.org/security.html#1.15.1-vulnerabilities"
        },
        {
          "name": "[oss-security] 20211216 CVE-2021-44145: Apache NiFi information disclosure by XXE",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2021/12/17/1"
        }
      ],
      "source": {
        "defect": [
          "NIFI-9399"
        ],
        "discovery": "UNKNOWN"
      },
      "title": "Apache NiFi information disclosure by XXE",
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@apache.org",
          "ID": "CVE-2021-44145",
          "STATE": "PUBLIC",
          "TITLE": "Apache NiFi information disclosure by XXE"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Apache NiFi",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c=",
                            "version_name": "Apache NiFi",
                            "version_value": "1.15.0"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Apache Software Foundation"
              }
            ]
          }
        },
        "credit": [
          {
            "lang": "eng",
            "value": "This issue was discovered by DangKhai at Viettel Cyber Security."
          }
        ],
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "In the TransformXML processor of Apache NiFi before 1.15.1 an authenticated user could configure an XSLT file which, if it included malicious external entity calls, may reveal sensitive information."
            }
          ]
        },
        "generator": {
          "engine": "Vulnogram 0.0.9"
        },
        "impact": [
          {
            "other": "Low"
          }
        ],
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Sensitive information disclosure"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://nifi.apache.org/security.html#1.15.1-vulnerabilities",
              "refsource": "MISC",
              "url": "https://nifi.apache.org/security.html#1.15.1-vulnerabilities"
            },
            {
              "name": "[oss-security] 20211216 CVE-2021-44145: Apache NiFi information disclosure by XXE",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2021/12/17/1"
            }
          ]
        },
        "source": {
          "defect": [
            "NIFI-9399"
          ],
          "discovery": "UNKNOWN"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
    "assignerShortName": "apache",
    "cveId": "CVE-2021-44145",
    "datePublished": "2021-12-17T08:50:09.000Z",
    "dateReserved": "2021-11-22T00:00:00.000Z",
    "dateUpdated": "2024-08-04T04:17:24.439Z",
    "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.

Action not permitted

CNVD-2021-102797

CVE-2021-44145 (GCVE-0-2021-44145)

Tags

Sightings

Nomenclature

Related by attack behaviour