CVE-2023-45316 Explained : Impact and Mitigation
Learn about CVE-2023-45316 affecting Mattermost versions up to 9.1.2. Take immediate steps to update to secure versions and prevent CSRF attacks.
A security vulnerability with CVE ID CVE-2023-45316 has been identified in Mattermost, a collaboration platform. This article provides detailed information about the vulnerability, its impact, technical details, and mitigation steps.
Understanding CVE-2023-45316
This section delves into the specifics of the CVE-2023-45316 vulnerability in Mattermost.
What is CVE-2023-45316?
Mattermost fails to validate if a relative path is passed in /plugins/playbooks/api/v0/telemetry/run/<telem_run_id> as a telemetry run ID, allowing an attacker to use a path traversal payload that points to a different endpoint, leading to a CSRF attack.
The Impact of CVE-2023-45316
The CVSS v3.1 base score for this vulnerability is 7.3, categorizing it as high severity. The attack vector is network-based, with low attack complexity, low privileges required, and user interaction.
Technical Details of CVE-2023-45316
This section outlines the vulnerability description, affected systems and versions, and the exploitation mechanism.
Vulnerability Description
The vulnerability allows an attacker to exploit a path traversal issue in Mattermost, potentially leading to a CSRF attack by manipulating telemetry run IDs.
Affected Systems and Versions
Mattermost versions up to 9.1.2, 9.0.3, 8.1.5, and 7.8.14 are affected by this vulnerability.
Exploitation Mechanism
The attacker can use a path traversal payload to target a different endpoint by passing a relative path in the telemetry run ID.
Mitigation and Prevention
This section provides insights into addressing the CVE-2023-45316 vulnerability to enhance system security.
Immediate Steps to Take
Update Mattermost Server to versions 7.8.15, 8.1.6, 9.0.4, 9.1.3, 9.2.2, or higher to patch the vulnerability and prevent potential CSRF attacks.
Long-Term Security Practices
Regularly monitor and update your Mattermost instance to ensure you are using the latest secure versions and follow security best practices to mitigate future vulnerabilities.
Patching and Updates
Stay informed about security updates released by Mattermost and promptly apply patches to protect your system from known vulnerabilities.