CVE-2017-0910 Information

Description

In Zulip Server before 1.7.1 on a server with multiple realms a vulnerability in the invitation system lets an authorized user of one realm on the server create a user account on any other realm.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

http://blog.zulip.org/2017/11/23/zulip-1-7-1-released/ https://github.com/zulip/zulip/commit/960d736e55cbb9386a68e4ee45f80581fd2a4e32

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8