Vulnerability-Lookup

CNVD-2022-08214

Vulnerability from cnvd - Published: 2022-02-02

Title

zulip跨站脚本漏洞

Description

Zulip是Zulip团队的一款功能强大的开源群聊应用程序。用于将实时聊天的即时性与线程对话的生产力优势相结合。 zulip存在跨站脚本漏洞，该漏洞源于缺少对用户提供的数据和输出的数据校验过滤。攻击者可利用该漏洞在客户端执行JavaScript代码。

Severity

低

Patch Name

zulip跨站脚本漏洞的补丁

Patch Description

Zulip是Zulip团队的一款功能强大的开源群聊应用程序。用于将实时聊天的即时性与线程对话的生产力优势相结合。 zulip存在跨站脚本漏洞，该漏洞源于缺少对用户提供的数据和输出的数据校验过滤。攻击者可利用该漏洞在客户端执行JavaScript代码。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://github.com/zulip/zulip/commit/3eb2791c3e9695f7d37ffe84e0c2184fae665cb6

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-3866

Impacted products

Name
Zulip Zulip <=4.8

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-3866",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-3866"
    }
  },
  "description": "Zulip\u662fZulip\u56e2\u961f\u7684\u4e00\u6b3e\u529f\u80fd\u5f3a\u5927\u7684\u5f00\u6e90\u7fa4\u804a\u5e94\u7528\u7a0b\u5e8f\u3002\u7528\u4e8e\u5c06\u5b9e\u65f6\u804a\u5929\u7684\u5373\u65f6\u6027\u4e0e\u7ebf\u7a0b\u5bf9\u8bdd\u7684\u751f\u4ea7\u529b\u4f18\u52bf\u76f8\u7ed3\u5408\u3002\n\nzulip\u5b58\u5728\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7f3a\u5c11\u5bf9\u7528\u6237\u63d0\u4f9b\u7684\u6570\u636e\u548c\u8f93\u51fa\u7684\u6570\u636e\u6821\u9a8c\u8fc7\u6ee4\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u5ba2\u6237\u7aef\u6267\u884cJavaScript\u4ee3\u7801\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://github.com/zulip/zulip/commit/3eb2791c3e9695f7d37ffe84e0c2184fae665cb6",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-08214",
  "openTime": "2022-02-02",
  "patchDescription": "Zulip\u662fZulip\u56e2\u961f\u7684\u4e00\u6b3e\u529f\u80fd\u5f3a\u5927\u7684\u5f00\u6e90\u7fa4\u804a\u5e94\u7528\u7a0b\u5e8f\u3002\u7528\u4e8e\u5c06\u5b9e\u65f6\u804a\u5929\u7684\u5373\u65f6\u6027\u4e0e\u7ebf\u7a0b\u5bf9\u8bdd\u7684\u751f\u4ea7\u529b\u4f18\u52bf\u76f8\u7ed3\u5408\u3002\r\n\r\nzulip\u5b58\u5728\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7f3a\u5c11\u5bf9\u7528\u6237\u63d0\u4f9b\u7684\u6570\u636e\u548c\u8f93\u51fa\u7684\u6570\u636e\u6821\u9a8c\u8fc7\u6ee4\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u5ba2\u6237\u7aef\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": "zulip\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Zulip Zulip \u003c=4.8"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-3866",
  "serverity": "\u4f4e",
  "submitTime": "2022-01-23",
  "title": "zulip\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e"
}

CVE-2021-3866 (GCVE-0-2021-3866)

Vulnerability from cvelistv5 – Published: 2022-01-20 10:30 – Updated: 2024-08-03 17:09

Title

Cross-site Scripting (XSS) - Stored in zulip/zulip

Summary

Cross-site Scripting (XSS) - Stored in GitHub repository zulip/zulip more than and including 44f935695d452cc3fb16845a0c6af710438b153d and prior to 3eb2791c3e9695f7d37ffe84e0c2184fae665cb6.

Severity

6.8 (Medium)


                        
                          CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:L/A:L

CWE

CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Assigner

@huntrdev Scorecard

References

3 references

URL	Tags
https://huntr.dev/bounties/5f48dac5-e112-4b23-bbb…	x_refsource_CONFIRM
https://github.com/zulip/zulip/commit/3eb2791c3e9…	x_refsource_MISC
https://blog.zulip.com/2022/01/19/cve-2021-3866/	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
zulip	zulip/zulip	Affected: 44f935695d452cc3fb16845a0c6af710438b153d , < unspecified (custom) Affected: unspecified , < 3eb2791c3e9695f7d37ffe84e0c2184fae665cb6 (custom)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
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        "providerMetadata": {
          "dateUpdated": "2024-08-03T17:09:09.603Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://huntr.dev/bounties/5f48dac5-e112-4b23-bbbf-cc00ba83bcf2"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/zulip/zulip/commit/3eb2791c3e9695f7d37ffe84e0c2184fae665cb6"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://blog.zulip.com/2022/01/19/cve-2021-3866/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "zulip/zulip",
          "vendor": "zulip",
          "versions": [
            {
              "lessThan": "unspecified",
              "status": "affected",
              "version": "44f935695d452cc3fb16845a0c6af710438b153d",
              "versionType": "custom"
            },
            {
              "lessThan": "3eb2791c3e9695f7d37ffe84e0c2184fae665cb6",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Cross-site Scripting (XSS) - Stored in GitHub repository zulip/zulip more than and including 44f935695d452cc3fb16845a0c6af710438b153d and prior to 3eb2791c3e9695f7d37ffe84e0c2184fae665cb6."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 6.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "LOW",
            "privilegesRequired": "HIGH",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:L/A:L",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-79",
              "description": "CWE-79 Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-01-29T10:45:13.000Z",
        "orgId": "c09c270a-b464-47c1-9133-acb35b22c19a",
        "shortName": "@huntrdev"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://huntr.dev/bounties/5f48dac5-e112-4b23-bbbf-cc00ba83bcf2"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/zulip/zulip/commit/3eb2791c3e9695f7d37ffe84e0c2184fae665cb6"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://blog.zulip.com/2022/01/19/cve-2021-3866/"
        }
      ],
      "source": {
        "advisory": "5f48dac5-e112-4b23-bbbf-cc00ba83bcf2",
        "discovery": "EXTERNAL"
      },
      "title": "Cross-site Scripting (XSS) - Stored in zulip/zulip",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@huntr.dev",
          "ID": "CVE-2021-3866",
          "STATE": "PUBLIC",
          "TITLE": "Cross-site Scripting (XSS) - Stored in zulip/zulip"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
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                    {
                      "product_name": "zulip/zulip",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003e=",
                            "version_value": "44f935695d452cc3fb16845a0c6af710438b153d"
                          },
                          {
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    "datePublished": "2022-01-20T10:30:11.000Z",
    "dateReserved": "2021-10-07T00:00:00.000Z",
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    "state": "PUBLISHED"
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  "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-2022-08214

CVE-2021-3866 (GCVE-0-2021-3866)

Tags

Sightings

Nomenclature

Related by attack behaviour