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 CNA under the mitre root

CNA scorecard B 76/100 over 1176 records in the last 180 days details

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

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          },
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          }
        ],
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      }
    ],
    "cna": {
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      ],
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        },
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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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

Order JSON

How durations are calculated

Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.

Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.

Publication & reservation Sightings KEV catalogs Other timestamps

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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.

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