CVE-2017-0896

Description

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.

Categories

6.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.15%
Affected: Zulip Zulip Server
Published at:
Updated at:

References

Link Tags
https://groups.google.com/forum/#%21msg/zulip-announce/sUYeJv-fFmg/2TU2TLmNAwAJ mailing list
https://hackerone.com/reports/224210 permissions required
https://github.com/zulip/zulip/commit/1f48fa27672170bba3b9a97384905bb04c18761b issue tracking patch

Frequently Asked Questions

What is the severity of CVE-2017-0896?
CVE-2017-0896 has been scored as a medium severity vulnerability.
How to fix CVE-2017-0896?
To fix CVE-2017-0896, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-0896 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-0896 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-0896?
CVE-2017-0896 affects Zulip Zulip Server.
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