CVE-2019-3929 : Exploit Details and Defense Strategies
Learn about CVE-2019-3929 affecting Crestron, Barco, Extron, and more. Discover the impact, affected systems, exploitation details, and mitigation steps.
Command injection vulnerability affecting multiple devices
Understanding CVE-2019-3929
Devices from various vendors are susceptible to command injection through the file_transfer.cgi HTTP endpoint.
What is CVE-2019-3929?
The vulnerability allows remote attackers to execute commands with root privileges on affected devices.
The Impact of CVE-2019-3929
- Remote, unauthenticated attackers can exploit the vulnerability
- Execute operating system commands as root
Technical Details of CVE-2019-3929
Devices affected include Crestron AM-100, Barco wePresent WiPG-1000P, Extron ShareLink 200/250, and more.
Vulnerability Description
- Command injection via the file_transfer.cgi HTTP endpoint
Affected Systems and Versions
- Crestron AM-100 firmware 1.6.0.2
- Barco wePresent WiPG-1600W before firmware 2.4.1.19
- InFocus LiteShow4 firmware 2.0.0.7
Exploitation Mechanism
- Susceptibility to OS command injection
Mitigation and Prevention
Immediate action and long-term security practices are crucial.
Immediate Steps to Take
- Apply patches and updates promptly
- Implement network segmentation
- Monitor network traffic for suspicious activities
Long-Term Security Practices
- Regular security assessments and audits
- Keep devices up to date with the latest firmware
- Educate users on security best practices
Patching and Updates
- Check vendor websites for security advisories
- Download and apply the latest firmware updates