SB2020061934 - Incorrect permission assignment for critical resource in Mattermost, Mattermost Server
Published: June 19, 2020 Updated: July 17, 2020
Security Bulletin ID
SB2020061934
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Incorrect permission assignment for critical resource (CVE-ID: CVE-2017-18872)
The vulnerability allows a remote authenticated user to manipulate data.
An issue was discovered in Mattermost Server before 4.4.3 and 4.3.3. Attackers could reconfigure an OAuth app in some cases where Mattermost is an OAuth 2.0 service provider.
Remediation
Install update from vendor's website.