CVE-2018-12086 Explained : Impact and Mitigation
Learn about CVE-2018-12086, a vulnerability in OPC UA applications that can lead to a stack overflow and buffer overflow, enabling remote attackers to exploit the system. Find mitigation steps and prevention measures.
A stack overflow vulnerability in OPC UA applications can lead to a buffer overflow, allowing remote attackers to exploit the system.
Understanding CVE-2018-12086
Carefully crafted requests can cause a stack overflow in OPC UA applications, leading to a buffer overflow that can be exploited by remote attackers.
What is CVE-2018-12086?
Buffer overflow in OPC UA applications allows remote attackers to trigger a stack overflow with carefully structured requests.
The Impact of CVE-2018-12086
- Remote attackers can exploit the vulnerability by triggering a stack overflow in OPC UA applications.
Technical Details of CVE-2018-12086
A stack overflow vulnerability in OPC UA applications can lead to a buffer overflow, enabling remote attacks.
Vulnerability Description
- The vulnerability arises from a stack overflow in OPC UA applications, which can result in a buffer overflow.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Version: Not applicable
Exploitation Mechanism
- Remote attackers can exploit the vulnerability by sending carefully crafted requests to trigger a stack overflow.
Mitigation and Prevention
Taking immediate steps and implementing long-term security practices are crucial to mitigate the risks associated with CVE-2018-12086.
Immediate Steps to Take
- Apply security patches provided by the vendor promptly.
- Implement network segmentation to limit the impact of potential attacks.
- Monitor network traffic for any suspicious activities.
Long-Term Security Practices
- Regularly update and patch all software and systems to prevent vulnerabilities.
- Conduct security training for employees to raise awareness about potential threats.
- Implement access controls and strong authentication mechanisms.
- Perform regular security audits and assessments to identify and address any security gaps.
Patching and Updates
- Stay informed about security updates and patches released by the vendor.
- Apply patches as soon as they are available to protect systems from potential exploits.