cnvd - cnvd-2017-04623

cnvd-2017-04623

Vulnerability from cnvd

Title: Zulip Server安全绕过漏洞

Description:

Zulip Server是一套使用Python编写的基于Django框架的开源组聊天应用程序。

Zulip Server 1.4.3之前的版本中的check_stream_exists route的autosubscribe功能实现存在安全漏洞。攻击者可利用该漏洞绕过安全限制，执行未授权的操作。

Severity: 中

Patch Name: Zulip Server安全绕过漏洞的补丁

Patch Description:

Zulip Server是一套使用Python编写的基于Django框架的开源组聊天应用程序。

Zulip Server 1.4.3之前的版本中的check_stream_exists route的autosubscribe功能实现存在安全漏洞。攻击者可利用该漏洞绕过安全限制，执行未授权的操作。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:

目前厂商已经发布了升级补丁以修复此安全问题，补丁获取链接： https://github.com/zulip/zulip/commit/7ecda1ac8e26d8fb3725e954b2dc4723dda2255f

Reference: https://github.com/zulip/zulip/commit/7ecda1ac8e26d8fb3725e954b2dc4723dda2255f

Impacted products

Name
Zulip Zulip <1.4.3

Show details on source website

JSON

To clipboard

{
  "bids": {
    "bid": {
      "bidNumber": "97159"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-0881",
      "cveUrl": "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-0881"
    }
  },
  "description": "Zulip Server\u662f\u4e00\u5957\u4f7f\u7528Python\u7f16\u5199\u7684\u57fa\u4e8eDjango\u6846\u67b6\u7684\u5f00\u6e90\u7ec4\u804a\u5929\u5e94\u7528\u7a0b\u5e8f\u3002\r\n\r\nZulip Server 1.4.3\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u7684check_stream_exists route\u7684autosubscribe\u529f\u80fd\u5b9e\u73b0\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u5b89\u5168\u9650\u5236\uff0c\u6267\u884c\u672a\u6388\u6743\u7684\u64cd\u4f5c\u3002",
  "discovererName": "Rafid Aslam",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://github.com/zulip/zulip/commit/7ecda1ac8e26d8fb3725e954b2dc4723dda2255f",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-04623",
  "openTime": "2017-04-18",
  "patchDescription": "Zulip Server\u662f\u4e00\u5957\u4f7f\u7528Python\u7f16\u5199\u7684\u57fa\u4e8eDjango\u6846\u67b6\u7684\u5f00\u6e90\u7ec4\u804a\u5929\u5e94\u7528\u7a0b\u5e8f\u3002\r\n\r\nZulip Server 1.4.3\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u7684check_stream_exists route\u7684autosubscribe\u529f\u80fd\u5b9e\u73b0\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u5b89\u5168\u9650\u5236\uff0c\u6267\u884c\u672a\u6388\u6743\u7684\u64cd\u4f5c\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\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Zulip Zulip \u003c1.4.3"
  },
  "referenceLink": "https://github.com/zulip/zulip/commit/7ecda1ac8e26d8fb3725e954b2dc4723dda2255f",
  "serverity": "\u4e2d",
  "submitTime": "2017-03-31",
  "title": "Zulip Server\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e"
}

CVE-2017-0881 (GCVE-0-2017-0881)

Vulnerability from cvelistv5

Published

2017-03-28 02:46

Modified

2024-08-05 13:18

Severity ?

CWE

CWE-200 - Information Exposure ()

Summary

An error in the implementation of an autosubscribe feature in the check_stream_exists route of the Zulip group chat application server before 1.4.3 allowed an authenticated user to subscribe to a private stream that should have required an invitation from an existing member to join. The issue affects all previously released versions of the Zulip server.

References

▼	URL	Tags
	http://www.securityfocus.com/bid/97159	vdb-entry, x_refsource_BID
	https://groups.google.com/d/msg/zulip-announce/VyawgRuoY34/NTBwnTArGwAJ	x_refsource_MISC
	https://github.com/zulip/zulip/commit/7ecda1ac8e26d8fb3725e954b2dc4723dda2255f	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	Zulip Server Versions 1.4.2 and below	Version: Zulip Server Versions 1.4.2 and below

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T13:18:06.509Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "97159",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/97159"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://groups.google.com/d/msg/zulip-announce/VyawgRuoY34/NTBwnTArGwAJ"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/zulip/zulip/commit/7ecda1ac8e26d8fb3725e954b2dc4723dda2255f"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Zulip Server Versions 1.4.2 and below",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "Zulip Server Versions 1.4.2 and below"
            }
          ]
        }
      ],
      "datePublic": "2017-03-27T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "An error in the implementation of an autosubscribe feature in the check_stream_exists route of the Zulip group chat application server before 1.4.3 allowed an authenticated user to subscribe to a private stream that should have required an invitation from an existing member to join. The issue affects all previously released versions of the Zulip server."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-200",
              "description": "Information Exposure (CWE-200)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2017-03-29T09:57:01",
        "orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
        "shortName": "hackerone"
      },
      "references": [
        {
          "name": "97159",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/97159"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://groups.google.com/d/msg/zulip-announce/VyawgRuoY34/NTBwnTArGwAJ"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/zulip/zulip/commit/7ecda1ac8e26d8fb3725e954b2dc4723dda2255f"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "support@hackerone.com",
          "ID": "CVE-2017-0881",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Zulip Server Versions 1.4.2 and below",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "Zulip Server Versions 1.4.2 and below"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
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              "value": "An error in the implementation of an autosubscribe feature in the check_stream_exists route of the Zulip group chat application server before 1.4.3 allowed an authenticated user to subscribe to a private stream that should have required an invitation from an existing member to join. The issue affects all previously released versions of the Zulip server."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Information Exposure (CWE-200)"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "97159",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/97159"
            },
            {
              "name": "https://groups.google.com/d/msg/zulip-announce/VyawgRuoY34/NTBwnTArGwAJ",
              "refsource": "MISC",
              "url": "https://groups.google.com/d/msg/zulip-announce/VyawgRuoY34/NTBwnTArGwAJ"
            },
            {
              "name": "https://github.com/zulip/zulip/commit/7ecda1ac8e26d8fb3725e954b2dc4723dda2255f",
              "refsource": "MISC",
              "url": "https://github.com/zulip/zulip/commit/7ecda1ac8e26d8fb3725e954b2dc4723dda2255f"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
    "assignerShortName": "hackerone",
    "cveId": "CVE-2017-0881",
    "datePublished": "2017-03-28T02:46:00",
    "dateReserved": "2016-11-30T00:00:00",
    "dateUpdated": "2024-08-05T13:18:06.509Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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