CVE-2018-11459 : Exploit Details and Defense Strategies
Discover the security vulnerability in Siemens AG's SINUMERIK software versions 808D V4.7, 808D V4.8, 828D V4.7, 840D sl V4.7, and 840D sl V4.8. Learn about the impact, affected systems, and mitigation steps.
A security issue has been discovered in multiple versions of Siemens AG's SINUMERIK software, including 808D V4.7, 808D V4.8, 828D V4.7, 840D sl V4.7, and 840D sl V4.8. This vulnerability allows a local attacker to execute unauthorized code with elevated privileges, compromising system security.
Understanding CVE-2018-11459
This CVE involves a security vulnerability in various versions of Siemens AG's SINUMERIK software, potentially leading to unauthorized code execution.
What is CVE-2018-11459?
The vulnerability allows a local attacker to modify a configuration file, leading to the execution of unauthorized code with elevated privileges upon system reboot or manual initiation.
The Impact of CVE-2018-11459
- Confidentiality, integrity, and availability of the system can be compromised
- No reports of public exploitation have been documented
Technical Details of CVE-2018-11459
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The vulnerability enables a local attacker to execute unauthorized code with elevated privileges by modifying a configuration file.
Affected Systems and Versions
- SINUMERIK 808D V4.7: All versions
- SINUMERIK 808D V4.8: All versions
- SINUMERIK 828D V4.7: All versions < V4.7 SP6 HF1
- SINUMERIK 840D sl V4.7: All versions < V4.7 SP6 HF5
- SINUMERIK 840D sl V4.8: All versions < V4.8 SP3
Exploitation Mechanism
- Attacker must have local access to the affected system
- Exploiting the vulnerability does not require user interaction
Mitigation and Prevention
Protect your systems from CVE-2018-11459 with these steps:
Immediate Steps to Take
- Monitor and restrict access to configuration files
- Implement strong authentication mechanisms
- Regularly monitor system logs for suspicious activities
Long-Term Security Practices
- Conduct regular security training for employees
- Keep systems and software updated with the latest patches
Patching and Updates
- Apply the recommended patches provided by Siemens AG