Group chat application vulnerability in Zulip Server by Zulip
CVE-2017-0896

6.5MEDIUM

Key Information:

Vendor

Zulip

Status
Zulip Server
Vendor
CVE Published:
2 June 2017

What is CVE-2017-0896?

Zulip Server versions 1.5.1 and earlier contain a flaw in the invite_by_admins_only setting, which enables authenticated users to invite others into a Zulip organization, even if the organization's settings restrict such actions. This vulnerability poses a risk as it undermines the intended administrative controls within the platform, potentially allowing unrestricted access to user invitations.

Affected Version(s)

Zulip Server 1.5.1 and below

References

https://groups.google.com/forum/#%21msg/zulip-announce/sU...
mailing-listx_refsource_MLIST
https://hackerone.com/reports/224210
x_refsource_MISC
https://github.com/zulip/zulip/commit/1f48fa27672170bba3b...
x_refsource_MISC

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.