SQL injection in Mattermost Server - CVE-2017-18888
Published: June 19, 2020 / Updated: July 17, 2020
Vulnerability identifier: #VU30200
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2017-18888
CWE-ID: CWE-89
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Mattermost, Inc.
Affected software:
Mattermost Server
Mattermost Server
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary SQL queries in database.
The vulnerability exists due to insufficient sanitization of user-supplied data during the fetching of multiple posts in An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. It. A remote attacker can send a specially crafted request to the affected application and execute arbitrary SQL commands within the application database.
Successful exploitation of this vulnerability may allow a remote attacker to read, delete, modify data in database and gain complete control over the affected application.
How to mitigate CVE-2017-18888
Update to version 4.2.1.