CVE-2019-19615 : What You Need to Know
Learn about CVE-2019-19615, a vulnerability in FreePBX versions v14.0.10.2 to v14.0.10.7 allowing XSS attacks. Find mitigation steps and the impact of this security issue.
The Backup & Restore module in versions v14.0.10.2 through v14.0.10.7 for FreePBX has multiple XSS vulnerabilities that can be exploited by attackers to execute harmful code.
Understanding CVE-2019-19615
This CVE involves XSS vulnerabilities in the Backup & Restore module of FreePBX versions v14.0.10.2 to v14.0.10.7.
What is CVE-2019-19615?
The CVE-2019-19615 vulnerability allows attackers to inject malicious XSS code through manipulated parameters on the backup configuration screen, potentially affecting victim users when the injected code is executed.
The Impact of CVE-2019-19615
The exploitation of these XSS vulnerabilities can lead to unauthorized access, data theft, and potential compromise of the victim user's account within the FreePBX system.
Technical Details of CVE-2019-19615
This section provides more technical insights into the vulnerability.
Vulnerability Description
The Backup & Restore module in FreePBX versions v14.0.10.2 through v14.0.10.7 is susceptible to XSS attacks due to inadequate input validation, allowing attackers to insert malicious code.
Affected Systems and Versions
- FreePBX versions v14.0.10.2 to v14.0.10.7
Exploitation Mechanism
- Attackers manipulate the id parameter on the backup configuration screen to insert harmful XSS code.
- When another user, like an admin, interacts with the injected link, the XSS payload executes within the victim user's account.
Mitigation and Prevention
Protecting systems from CVE-2019-19615 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update FreePBX to the latest version to patch the XSS vulnerabilities.
- Educate users about the risks of clicking on unknown links to prevent exploitation.
Long-Term Security Practices
- Implement strict input validation mechanisms to prevent XSS attacks.
- Regularly monitor and audit system logs for any suspicious activities.
Patching and Updates
- Apply security patches provided by FreePBX promptly to address the XSS vulnerabilities and enhance system security.