CVE-2017-12121 Explained : Impact and Mitigation
Learn about CVE-2017-12121, a command injection vulnerability in Moxa EDR-810 V4.1 build 17030317, allowing attackers to escalate privileges and gain a root shell. Find mitigation steps and patching recommendations here.
This CVE-2017-12121 article provides insights into a command injection vulnerability affecting Moxa EDR-810 V4.1 build 17030317.
Understanding CVE-2017-12121
What is CVE-2017-12121?
The web server functionality of Moxa EDR-810 V4.1 build 17030317 is vulnerable to command injection, allowing attackers to execute arbitrary commands.
The Impact of CVE-2017-12121
Exploiting this vulnerability can lead to privilege escalation, enabling attackers to obtain a root shell on the target system.
Technical Details of CVE-2017-12121
Vulnerability Description
The vulnerability in Moxa EDR-810 V4.1 build 17030317 allows attackers to inject OS commands via the "rsakey_name" parameter in the "/goform/WebRSAKEYGen" URI.
Affected Systems and Versions
- Product: Moxa
- Vendor: Talos
- Version: Moxa EDR-810 V4.1 build 17030317
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Network
- Privileges Required: Low
- User Interaction: None
- Scope: Unchanged
- CVSS Score: 8.8 (High)
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
Mitigation and Prevention
Immediate Steps to Take
- Apply vendor patches promptly
- Implement network segmentation to limit exposure
- Monitor and analyze network traffic for suspicious activities
Long-Term Security Practices
- Regularly update and patch all software and firmware
- Conduct security assessments and penetration testing
Patching and Updates
- Check for security advisories from Moxa and Talos
- Apply recommended patches and updates to address the vulnerability