CVE-2019-19538 : Security Advisory and Response

Sangoma FreePBX versions 13 to 15 and sysadmin versions 13.0.92 to 15.0.13.6 have a security flaw allowing unauthorized remote command execution and privilege escalation.

Understanding CVE-2019-19538

This CVE involves a vulnerability in Sangoma FreePBX and sysadmin modules that can be exploited for remote command execution.

What is CVE-2019-19538?

The CVE-2019-19538 vulnerability in Sangoma FreePBX and sysadmin modules allows attackers to execute remote commands, leading to privilege escalation.

The Impact of CVE-2019-19538

The security flaw enables unauthorized users to execute remote commands, potentially gaining escalated privileges within the affected systems.

Technical Details of CVE-2019-19538

This section provides more technical insights into the vulnerability.

Vulnerability Description

Sangoma FreePBX versions 13 to 15 and sysadmin versions 13.0.92 to 15.0.13.6 are susceptible to remote command execution, which can result in privilege escalation.

Affected Systems and Versions

Sangoma FreePBX versions 13 to 15
Sysadmin versions 13.0.92 to 15.0.13.6

Exploitation Mechanism

The vulnerability allows attackers to execute remote commands on the affected systems, potentially leading to privilege escalation.

Mitigation and Prevention

To address CVE-2019-19538, follow these mitigation strategies:

Immediate Steps to Take

Update Sangoma FreePBX and sysadmin modules to the latest versions.
Monitor system logs for any suspicious activities.
Implement strong access controls and authentication mechanisms.

Long-Term Security Practices

Regularly conduct security audits and vulnerability assessments.
Educate users on best practices for system security.

Patching and Updates

Apply security patches promptly to mitigate known vulnerabilities in Sangoma FreePBX and sysadmin modules.