CVE-2019-14450 : What You Need to Know
Learn about CVE-2019-14450, a directory traversal vulnerability in Repetier-Server versions 0.8 to 0.91 allowing unauthorized XML file creation and remote code execution. Find mitigation steps here.
A vulnerability known as directory traversal in Repetier-Server versions 0.8 to 0.91 allows unauthorized creation of an XML file, leading to remote code execution.
Understanding CVE-2019-14450
This CVE involves a directory traversal vulnerability in RepetierServer.exe in Repetier-Server versions 0.8 through 0.91.
What is CVE-2019-14450?
The vulnerability enables the creation of a user-controlled XML file at an unintended location, allowing an attacker to upload an "external command" configuration as a printer configuration, leading to remote code execution.
The Impact of CVE-2019-14450
Exploiting this vulnerability can result in the execution of remote code on the affected system, potentially leading to unauthorized access and control.
Technical Details of CVE-2019-14450
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability in RepetierServer.exe allows for the unauthorized creation of an XML file at an unintended location, facilitating the execution of remote code.
Affected Systems and Versions
Repetier-Server versions 0.8 to 0.91 are impacted by this vulnerability.
Exploitation Mechanism
By leveraging CVE-2019-14451, an attacker can upload an "external command" configuration as a printer configuration, leading to the execution of remote code. Loading the external command configuration requires a system reboot or service restart.
Mitigation and Prevention
Protecting systems from CVE-2019-14450 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply security patches provided by the vendor promptly.
- Monitor for any unauthorized changes or uploads to printer configurations.
- Implement network segmentation to limit the impact of potential attacks.
Long-Term Security Practices
- Regularly update and patch software to address known vulnerabilities.
- Conduct security assessments and penetration testing to identify and mitigate risks.
- Educate users on safe computing practices and the importance of cybersecurity.
Patching and Updates
Ensure that Repetier-Server is updated to a secure version that addresses the directory traversal vulnerability.