CVE-2019-13537 : Vulnerability Insights and Analysis
Discover the impact of CVE-2019-13537, a buffer overflow vulnerability in AVEVA's Vijeo Citect and Citect SCADA, potentially leading to a server-side crash. Learn about affected systems, exploitation risks, and mitigation steps.
A vulnerability has been discovered in the IEC870IP driver used in AVEVA's Vijeo Citect and Citect SCADA, as well as Schneider Electric's Power SCADA Operation. This vulnerability pertains to a buffer overflow issue, which has the potential to cause a crash on the server-side.
Understanding CVE-2019-13537
This CVE-2019-13537 advisory addresses a critical security issue affecting the IEC870IP driver in specific software applications.
What is CVE-2019-13537?
The CVE-2019-13537 vulnerability involves a buffer overflow in the IEC870IP driver used in AVEVA's Vijeo Citect and Citect SCADA, potentially leading to a server-side crash.
The Impact of CVE-2019-13537
The vulnerability could be exploited by attackers to cause a denial of service (DoS) condition, disrupting the affected systems' operations and potentially compromising their availability and reliability.
Technical Details of CVE-2019-13537
This section provides detailed technical insights into the CVE-2019-13537 vulnerability.
Vulnerability Description
The vulnerability is classified as a STACK-BASED BUFFER OVERFLOW (CWE-121) and affects the IEC870IP driver in AVEVA's Vijeo Citect and Citect SCADA, as well as Schneider Electric's Power SCADA Operation.
Affected Systems and Versions
- Product: Vijeo Citect and Citect SCADA
- Vendor: AVEVA
- Vulnerable Version: IEC870IP driver v4.14.02 and prior
Exploitation Mechanism
The vulnerability could be exploited by sending specially crafted network packets to the affected driver, triggering the buffer overflow and potentially causing a server crash.
Mitigation and Prevention
Effective mitigation strategies are crucial to safeguard systems against CVE-2019-13537.
Immediate Steps to Take
- Apply security patches provided by AVEVA to address the vulnerability promptly.
- Implement network segmentation to limit the exposure of vulnerable systems to potential attacks.
- Monitor network traffic for any suspicious activities that could indicate exploitation attempts.
Long-Term Security Practices
- Regularly update and patch software to ensure that known vulnerabilities are addressed promptly.
- Conduct security assessments and penetration testing to identify and remediate potential weaknesses in the system.
Patching and Updates
- Stay informed about security bulletins and advisories from AVEVA and Schneider Electric to deploy patches as soon as they are available.