CVE-2019-19745 : What You Need to Know
Learn about CVE-2019-19745 affecting Contao versions 4.0 to 4.8.5. Users with administrative privileges can upload and execute files on the server, posing security risks. Find mitigation steps here.
Contao versions 4.0 to 4.8.5 are vulnerable to PHP local file inclusion, allowing users with administrative privileges to upload and execute files on the server.
Understanding CVE-2019-19745
This CVE involves a security vulnerability in Contao versions 4.0 to 4.8.5 that enables PHP local file inclusion, potentially leading to unauthorized file execution.
What is CVE-2019-19745?
Contao versions 4.0 through 4.8.5 allow a user with backend access to the form generator to upload arbitrary files and run them on the server, posing a risk of unauthorized file execution.
The Impact of CVE-2019-19745
The vulnerability in Contao versions 4.0 to 4.8.5 can be exploited by users with administrative privileges, potentially leading to unauthorized file uploads and execution on the server.
Technical Details of CVE-2019-19745
This section provides detailed technical information about the CVE-2019-19745 vulnerability.
Vulnerability Description
Contao versions 4.0 to 4.8.5 are susceptible to PHP local file inclusion, allowing users with backend access to the form generator to upload and execute files on the server.
Affected Systems and Versions
- Contao versions 4.0 to 4.8.5
Exploitation Mechanism
- Users with administrative privileges and access to the form generator can upload any files of their choice and execute them on the server.
Mitigation and Prevention
Protect your systems from CVE-2019-19745 with these mitigation strategies.
Immediate Steps to Take
- Update Contao to a patched version that addresses the PHP local file inclusion vulnerability.
- Restrict backend access to only essential users to minimize the risk of unauthorized file uploads.
Long-Term Security Practices
- Regularly monitor and audit file uploads and executions on the server.
- Educate users on secure file upload practices and the risks associated with unauthorized file execution.
Patching and Updates
- Apply security patches provided by Contao to fix the vulnerability and prevent unauthorized file uploads and executions.