Vulnerability-Lookup

CNVD-2020-49266

Vulnerability from cnvd - Published: 2020-08-28

Title

Zulip Server反向标签绑架漏洞

Description

Zulip是一款功能强大的开源群聊应用程序，结合了即时聊天的即时性与线程化对话的生产力优势。Zulip Server是Zulip服务器。 Zulip Server 2.1.5之前版本存在反向标签绑架漏洞。攻击者可通过主题标题链接利用该漏洞进行反向标签绑架攻击。

Severity

中

Patch Name

Zulip Server反向标签绑架漏洞的补丁

Patch Description

Zulip是一款功能强大的开源群聊应用程序，结合了即时聊天的即时性与线程化对话的生产力优势。Zulip Server是Zulip服务器。 Zulip Server 2.1.5之前版本存在反向标签绑架漏洞。攻击者可通过主题标题链接利用该漏洞进行反向标签绑架攻击。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://blog.zulip.com/2020/06/17/zulip-server-2-1-5-security-release/

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-14194

Impacted products

Name
Zulip Zulip Server <2.1.5

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-14194",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-14194"
    }
  },
  "description": "Zulip\u662f\u4e00\u6b3e\u529f\u80fd\u5f3a\u5927\u7684\u5f00\u6e90\u7fa4\u804a\u5e94\u7528\u7a0b\u5e8f\uff0c\u7ed3\u5408\u4e86\u5373\u65f6\u804a\u5929\u7684\u5373\u65f6\u6027\u4e0e\u7ebf\u7a0b\u5316\u5bf9\u8bdd\u7684\u751f\u4ea7\u529b\u4f18\u52bf\u3002Zulip Server\u662fZulip\u670d\u52a1\u5668\u3002\n\nZulip Server 2.1.5\u4e4b\u524d\u7248\u672c\u5b58\u5728\u53cd\u5411\u6807\u7b7e\u7ed1\u67b6\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u4e3b\u9898\u6807\u9898\u94fe\u63a5\u5229\u7528\u8be5\u6f0f\u6d1e\u8fdb\u884c\u53cd\u5411\u6807\u7b7e\u7ed1\u67b6\u653b\u51fb\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://blog.zulip.com/2020/06/17/zulip-server-2-1-5-security-release/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-49266",
  "openTime": "2020-08-28",
  "patchDescription": "Zulip\u662f\u4e00\u6b3e\u529f\u80fd\u5f3a\u5927\u7684\u5f00\u6e90\u7fa4\u804a\u5e94\u7528\u7a0b\u5e8f\uff0c\u7ed3\u5408\u4e86\u5373\u65f6\u804a\u5929\u7684\u5373\u65f6\u6027\u4e0e\u7ebf\u7a0b\u5316\u5bf9\u8bdd\u7684\u751f\u4ea7\u529b\u4f18\u52bf\u3002Zulip Server\u662fZulip\u670d\u52a1\u5668\u3002\r\n\r\nZulip Server 2.1.5\u4e4b\u524d\u7248\u672c\u5b58\u5728\u53cd\u5411\u6807\u7b7e\u7ed1\u67b6\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u4e3b\u9898\u6807\u9898\u94fe\u63a5\u5229\u7528\u8be5\u6f0f\u6d1e\u8fdb\u884c\u53cd\u5411\u6807\u7b7e\u7ed1\u67b6\u653b\u51fb\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": "Zulip Server\u53cd\u5411\u6807\u7b7e\u7ed1\u67b6\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Zulip Zulip Server \u003c2.1.5"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-14194",
  "serverity": "\u4e2d",
  "submitTime": "2020-08-21",
  "title": "Zulip Server\u53cd\u5411\u6807\u7b7e\u7ed1\u67b6\u6f0f\u6d1e"
}

CVE-2020-14194 (GCVE-0-2020-14194)

Vulnerability from cvelistv5 – Published: 2020-08-21 04:37 – Updated: 2024-08-04 12:39

Summary

Zulip Server before 2.1.5 allows reverse tabnapping via a topic header link.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root Scorecard

References

1 reference

URL	Tags
https://blog.zulip.com/2020/06/17/zulip-server-2-…	x_refsource_CONFIRM

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T12:39:36.182Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
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        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://blog.zulip.com/2020/06/17/zulip-server-2-1-5-security-release/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Zulip Server before 2.1.5 allows reverse tabnapping via a topic header link."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-08-21T04:37:27.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://blog.zulip.com/2020/06/17/zulip-server-2-1-5-security-release/"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2020-14194",
          "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": {
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            {
              "lang": "eng",
              "value": "Zulip Server before 2.1.5 allows reverse tabnapping via a topic header link."
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        "problemtype": {
          "problemtype_data": [
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                  "value": "n/a"
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            }
          ]
        }
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    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2020-14194",
    "datePublished": "2020-08-21T04:37:27.000Z",
    "dateReserved": "2020-06-16T00:00:00.000Z",
    "dateUpdated": "2024-08-04T12:39:36.182Z",
    "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.

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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CNVD-2020-49266

CVE-2020-14194 (GCVE-0-2020-14194)

Tags

Sightings

Nomenclature

Related by attack behaviour