Vulnerability-Lookup

CNVD-2020-41084

Vulnerability from cnvd - Published: 2020-07-20

Title

Bitrix24 Web Application Firewall跨站脚本漏洞

Description

Bitrix24是美国Bitrix公司的一套企业社交平台。该平台包括在线通讯、日历管理和CRM（客户关系管理）等功能。Web Application Firewall是其中的一个Web应用程序防火墙。 Bitrix24 20.0.950及之前版本中的Web Application Firewall的modules/security/classes/general.post_filter.php/post_filter.php文件存在跨站脚本漏洞。该漏洞源于WEB应用缺少对客户端数据的正确验证。攻击者可利用该漏洞执行客户端代码。

Severity

中

Formal description

目前厂商暂未发布修复措施解决此安全问题，建议使用此软件的用户随时关注厂商主页或参考网址以获取解决办法： https://www.bitrix24.com/

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-13758

Impacted products

Name
Bitrix Bitrix24 <=20.0.950

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-13758"
    }
  },
  "description": "Bitrix24\u662f\u7f8e\u56fdBitrix\u516c\u53f8\u7684\u4e00\u5957\u4f01\u4e1a\u793e\u4ea4\u5e73\u53f0\u3002\u8be5\u5e73\u53f0\u5305\u62ec\u5728\u7ebf\u901a\u8baf\u3001\u65e5\u5386\u7ba1\u7406\u548cCRM\uff08\u5ba2\u6237\u5173\u7cfb\u7ba1\u7406\uff09\u7b49\u529f\u80fd\u3002Web Application Firewall\u662f\u5176\u4e2d\u7684\u4e00\u4e2aWeb\u5e94\u7528\u7a0b\u5e8f\u9632\u706b\u5899\u3002\n\nBitrix24 20.0.950\u53ca\u4e4b\u524d\u7248\u672c\u4e2d\u7684Web Application Firewall\u7684modules/security/classes/general.post_filter.php/post_filter.php\u6587\u4ef6\u5b58\u5728\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8eWEB\u5e94\u7528\u7f3a\u5c11\u5bf9\u5ba2\u6237\u7aef\u6570\u636e\u7684\u6b63\u786e\u9a8c\u8bc1\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884c\u5ba2\u6237\u7aef\u4ee3\u7801\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u6682\u672a\u53d1\u5e03\u4fee\u590d\u63aa\u65bd\u89e3\u51b3\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u5efa\u8bae\u4f7f\u7528\u6b64\u8f6f\u4ef6\u7684\u7528\u6237\u968f\u65f6\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u6216\u53c2\u8003\u7f51\u5740\u4ee5\u83b7\u53d6\u89e3\u51b3\u529e\u6cd5\uff1a\r\nhttps://www.bitrix24.com/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-41084",
  "openTime": "2020-07-20",
  "products": {
    "product": "Bitrix Bitrix24 \u003c=20.0.950"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-13758",
  "serverity": "\u4e2d",
  "submitTime": "2020-06-02",
  "title": "Bitrix24 Web Application Firewall\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e"
}

CVE-2020-13758 (GCVE-0-2020-13758)

Vulnerability from cvelistv5 – Published: 2020-06-01 18:32 – Updated: 2024-08-04 12:25

Summary

modules/security/classes/general.post_filter.php/post_filter.php in the Web Application Firewall in Bitrix24 through 20.0.950 allows XSS by placing %00 before the payload.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root Scorecard

References

1 reference

URL	Tags
https://blog.deteact.com/bitrix-waf-bypass/	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

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          "dateUpdated": "2024-08-04T12:25:16.531Z",
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            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://blog.deteact.com/bitrix-waf-bypass/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
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          "product": "n/a",
          "vendor": "n/a",
          "versions": [
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              "version": "n/a"
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        }
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        }
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        "dateUpdated": "2020-06-01T18:32:20.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://blog.deteact.com/bitrix-waf-bypass/"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2020-13758",
          "STATE": "PUBLIC"
        },
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            "vendor_data": [
              {
                "product": {
                  "product_data": [
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                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
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                "vendor_name": "n/a"
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        "data_format": "MITRE",
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        },
        "references": {
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            {
              "name": "https://blog.deteact.com/bitrix-waf-bypass/",
              "refsource": "MISC",
              "url": "https://blog.deteact.com/bitrix-waf-bypass/"
            }
          ]
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  },
  "cveMetadata": {
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    "assignerShortName": "mitre",
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    "dateReserved": "2020-06-01T00:00:00.000Z",
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    "state": "PUBLISHED"
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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.

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.

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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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CNVD-2020-41084

CVE-2020-13758 (GCVE-0-2020-13758)

Tags

Sightings

Nomenclature

Related by attack behaviour