Home/CVE/Zulip Server 1.5.1 and below suffer from an error in the implementation of the invite_by_admins_only setting in the Zuli
CVE

CVE-2017-0896

Zulip Server 1.5.1 and below suffer from an error in the implementation of the invite_by_admins_only setting in the Zuli

Zulip Server 1.5.1 and below suffer from an error in the implementation of the invite_by_admins_only setting in the Zulip group chat application server that allowed an authenticated user to invite other users to join a Zulip organization even if the organization was configured to prevent this.

MEDIUM · CVSS 6.5 EPSS 0.00148
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-285Improper Authorization
CWE-862Missing Authorization
▤

Affected Products & Versions

1
zulip serverall versions
▣

Scoring & Timeline

6.5
MEDIUM · CVSS v3.0 · support@hackerone.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD02 Jun 2017 · 05:29 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/zulip/zulip/commit/1f48fa27672170bba3b9a97384905bb04c18761bIssue TrackingPatch
https://groups.google.com/forum/#%21msg/zulip-announce/sUYeJv-fFmg/2TU2TLmNAwAJ
https://hackerone.com/reports/224210Permissions Required
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