Home/CVE/In Zulip Server before 1.7.1, on a server with multiple realms, a vulnerability in the invitation system lets an authori
CVE

CVE-2017-0910

In Zulip Server before 1.7.1, on a server with multiple realms, a vulnerability in the invitation system lets an authori

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.

HIGH · CVSS 8.8 EPSS 0.00239
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-287Improper Authentication
CWE-863Incorrect Authorization
▤

Affected Products & Versions

1
zulip server< 1.7.1
▣

Scoring & Timeline

8.8
HIGH · 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 NVD27 Nov 2017 · 04:29 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://blog.zulip.org/2017/11/23/zulip-1-7-1-released/Vendor Advisory
https://github.com/zulip/zulip/commit/960d736e55cbb9386a68e4ee45f80581fd2a4e32PatchThird Party Advisory
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