Vulnerability Details CVE-2017-0881
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 43.3%
CVSS Severity
CVSS v3 Score 4.3
CVSS v2 Score 4.0
References
- http://www.securityfocus.com/bid/97159
- https://github.com/zulip/zulip/commit/7ecda1ac8e26d8fb3725e954b2dc4723dda2255f
- https://groups.google.com/d/msg/zulip-announce/VyawgRuoY34/NTBwnTArGwAJ
- http://www.securityfocus.com/bid/97159
- https://github.com/zulip/zulip/commit/7ecda1ac8e26d8fb3725e954b2dc4723dda2255f
- https://groups.google.com/d/msg/zulip-announce/VyawgRuoY34/NTBwnTArGwAJ
Products affected by CVE-2017-0881
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cpe:2.3:a:zulip:zulip_server:1.1.5
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cpe:2.3:a:zulip:zulip_server:1.2.0
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cpe:2.3:a:zulip:zulip_server:1.2.1
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cpe:2.3:a:zulip:zulip_server:1.3.0
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cpe:2.3:a:zulip:zulip_server:1.3.1
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cpe:2.3:a:zulip:zulip_server:1.3.10
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cpe:2.3:a:zulip:zulip_server:1.3.11
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cpe:2.3:a:zulip:zulip_server:1.3.12
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cpe:2.3:a:zulip:zulip_server:1.3.13
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cpe:2.3:a:zulip:zulip_server:1.3.2
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cpe:2.3:a:zulip:zulip_server:1.3.3
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cpe:2.3:a:zulip:zulip_server:1.3.4
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cpe:2.3:a:zulip:zulip_server:1.3.5
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cpe:2.3:a:zulip:zulip_server:1.3.6
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cpe:2.3:a:zulip:zulip_server:1.3.7
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cpe:2.3:a:zulip:zulip_server:1.3.8
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cpe:2.3:a:zulip:zulip_server:1.3.9
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cpe:2.3:a:zulip:zulip_server:1.4.0
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cpe:2.3:a:zulip:zulip_server:1.4.1
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cpe:2.3:a:zulip:zulip_server:1.4.2