{"id":"CVE-2017-0881","state":"PUBLISHED","title":"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","description":"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.","publishedAt":"2017-03-28T02:46:00.000Z","updatedAt":"2024-08-05T13:18:06.509Z","severity":null,"assigner":"hackerone","products":["n/a Zulip Server Versions 1.4.2 and below"],"affected":[{"vendor":"n/a","product":"Zulip Server Versions 1.4.2 and below","versions":[{"version":"Zulip Server Versions 1.4.2 and below","status":"affected"}]}],"references":["http://www.securityfocus.com/bid/97159","https://groups.google.com/d/msg/zulip-announce/VyawgRuoY34/NTBwnTArGwAJ","https://github.com/zulip/zulip/commit/7ecda1ac8e26d8fb3725e954b2dc4723dda2255f"],"weaknesses":["CWE-200"],"ingestedAt":"2026-10-29T19:43:01.262Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2017/0xxx/CVE-2017-0881.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2017-0881","state":"PUBLISHED","datePublished":"2017-03-28T02:46:00.000Z","dateUpdated":"2024-08-05T13:18:06.509Z","assignerShortName":"hackerone","assignerOrgId":"36234546-b8fa-4601-9d6f-f4e334aa8ea1","dateReserved":"2016-11-30T00:00:00.000Z"},"containers":{"cna":{"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."}],"affected":[{"vendor":"n/a","product":"Zulip Server Versions 1.4.2 and below","versions":[{"version":"Zulip Server Versions 1.4.2 and below","status":"affected"}]}],"references":[{"url":"http://www.securityfocus.com/bid/97159","name":"97159","tags":["vdb-entry","x_refsource_BID"]},{"url":"https://groups.google.com/d/msg/zulip-announce/VyawgRuoY34/NTBwnTArGwAJ","tags":["x_refsource_MISC"]},{"url":"https://github.com/zulip/zulip/commit/7ecda1ac8e26d8fb3725e954b2dc4723dda2255f","tags":["x_refsource_MISC"]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-200","description":"Information Exposure (CWE-200)","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"hackerone","dateUpdated":"2017-03-29T09:57:01.000Z","orgId":"36234546-b8fa-4601-9d6f-f4e334aa8ea1"},"datePublic":"2017-03-27T00:00:00.000Z","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":[{"lang":"eng","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"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"http://www.securityfocus.com/bid/97159","name":"97159","tags":["vdb-entry","x_refsource_BID","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","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-05T13:18:06.509Z"}}]}}}