Vulnerability-Lookup

CNVD-2021-27938

Vulnerability from cnvd - Published: 2021-04-13

Title

Elastic App Search跨站脚本漏洞

Description

Elastic App Search是Elastic公司出品的一组功能强大的API和开发人员工具，旨在为开发人员构建丰富的，面向用户的搜索应用程序。 Elastic App Search 7.7.0之前版本，在Reference UI中显示文档URL中存在跨站脚本漏洞。如果Reference UI将一个URL注入到结果中，该URL会在Web浏览器中呈现。若攻击者控制了该字段的内容，则可利用该漏洞在Web浏览器中执行JavaScript代码。

Severity

中

Patch Name

Elastic App Search跨站脚本漏洞的补丁

Patch Description

Formal description

目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载： https://www.elastic.co/cn/community/security/

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-7011

Impacted products

Name
Elastic Elastic App Search <7.7.0

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-7011"
    }
  },
  "description": "Elastic App Search\u662fElastic\u516c\u53f8\u51fa\u54c1\u7684\u4e00\u7ec4\u529f\u80fd\u5f3a\u5927\u7684API\u548c\u5f00\u53d1\u4eba\u5458\u5de5\u5177\uff0c\u65e8\u5728\u4e3a\u5f00\u53d1\u4eba\u5458\u6784\u5efa\u4e30\u5bcc\u7684\uff0c\u9762\u5411\u7528\u6237\u7684\u641c\u7d22\u5e94\u7528\u7a0b\u5e8f\u3002 \n\nElastic App Search 7.7.0\u4e4b\u524d\u7248\u672c\uff0c\u5728Reference UI\u4e2d\u663e\u793a\u6587\u6863URL\u4e2d\u5b58\u5728\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\u3002\u5982\u679cReference UI\u5c06\u4e00\u4e2aURL\u6ce8\u5165\u5230\u7ed3\u679c\u4e2d\uff0c\u8be5URL\u4f1a\u5728Web\u6d4f\u89c8\u5668\u4e2d\u5448\u73b0\u3002\u82e5\u653b\u51fb\u8005\u63a7\u5236\u4e86\u8be5\u5b57\u6bb5\u7684\u5185\u5bb9\uff0c\u5219\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5728Web\u6d4f\u89c8\u5668\u4e2d\u6267\u884cJavaScript\u4ee3\u7801\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u8fd9\u4e2a\u5b89\u5168\u95ee\u9898\uff0c\u8bf7\u5230\u5382\u5546\u7684\u4e3b\u9875\u4e0b\u8f7d\uff1a\r\nhttps://www.elastic.co/cn/community/security/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-27938",
  "openTime": "2021-04-13",
  "patchDescription": "Elastic App Search\u662fElastic\u516c\u53f8\u51fa\u54c1\u7684\u4e00\u7ec4\u529f\u80fd\u5f3a\u5927\u7684API\u548c\u5f00\u53d1\u4eba\u5458\u5de5\u5177\uff0c\u65e8\u5728\u4e3a\u5f00\u53d1\u4eba\u5458\u6784\u5efa\u4e30\u5bcc\u7684\uff0c\u9762\u5411\u7528\u6237\u7684\u641c\u7d22\u5e94\u7528\u7a0b\u5e8f\u3002 \r\n\r\nElastic App Search 7.7.0\u4e4b\u524d\u7248\u672c\uff0c\u5728Reference UI\u4e2d\u663e\u793a\u6587\u6863URL\u4e2d\u5b58\u5728\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\u3002\u5982\u679cReference UI\u5c06\u4e00\u4e2aURL\u6ce8\u5165\u5230\u7ed3\u679c\u4e2d\uff0c\u8be5URL\u4f1a\u5728Web\u6d4f\u89c8\u5668\u4e2d\u5448\u73b0\u3002\u82e5\u653b\u51fb\u8005\u63a7\u5236\u4e86\u8be5\u5b57\u6bb5\u7684\u5185\u5bb9\uff0c\u5219\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5728Web\u6d4f\u89c8\u5668\u4e2d\u6267\u884cJavaScript\u4ee3\u7801\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": "Elastic App Search\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Elastic Elastic App Search \u003c7.7.0"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-7011",
  "serverity": "\u4e2d",
  "submitTime": "2020-06-04",
  "title": "Elastic App Search\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e"
}

CVE-2020-7011 (GCVE-0-2020-7011)

Vulnerability from cvelistv5 – Published: 2020-06-03 17:55 – Updated: 2024-08-04 09:18

Summary

Elastic App Search versions before 7.7.0 contain a cross site scripting (XSS) flaw when displaying document URLs in the Reference UI. If the Reference UI injects a URL into a result, that URL will be rendered by the web browser. If an attacker is able to control the contents of such a field, they could execute arbitrary JavaScript in the victimï¿½s web browser.

Severity

No CVSS data available.

CWE

CWE-84 - Improper Neutralization of Encoded URI Schemes in a Web Page

Assigner

elastic mitre root

References

1 reference

URL	Tags
https://www.elastic.co/community/security/	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
Elastic	Elastic App Search	Affected: before 7.7.0

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T09:18:02.528Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.elastic.co/community/security/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Elastic App Search",
          "vendor": "Elastic",
          "versions": [
            {
              "status": "affected",
              "version": "before 7.7.0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Elastic App Search versions before 7.7.0 contain a cross site scripting (XSS) flaw when displaying document URLs in the Reference UI. If the Reference UI injects a URL into a result, that URL will be rendered by the web browser. If an attacker is able to control the contents of such a field, they could execute arbitrary JavaScript in the victim\u00ef\u00bf\u00bds web browser."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-84",
              "description": "CWE-84: Improper Neutralization of Encoded URI Schemes in a Web Page",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-06-03T17:55:43.000Z",
        "orgId": "271b6943-45a9-4f3a-ab4e-976f3fa05b5a",
        "shortName": "elastic"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.elastic.co/community/security/"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@elastic.co",
          "ID": "CVE-2020-7011",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Elastic App Search",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "before 7.7.0"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Elastic"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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              "value": "Elastic App Search versions before 7.7.0 contain a cross site scripting (XSS) flaw when displaying document URLs in the Reference UI. If the Reference UI injects a URL into a result, that URL will be rendered by the web browser. If an attacker is able to control the contents of such a field, they could execute arbitrary JavaScript in the victim\u00ef\u00bf\u00bds web browser."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-84: Improper Neutralization of Encoded URI Schemes in a Web Page"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.elastic.co/community/security/",
              "refsource": "MISC",
              "url": "https://www.elastic.co/community/security/"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "271b6943-45a9-4f3a-ab4e-976f3fa05b5a",
    "assignerShortName": "elastic",
    "cveId": "CVE-2020-7011",
    "datePublished": "2020-06-03T17:55:43.000Z",
    "dateReserved": "2020-01-14T00:00:00.000Z",
    "dateUpdated": "2024-08-04T09:18:02.528Z",
    "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.