CVE-2018-19122 : Vulnerability Insights and Analysis
Discover the vulnerability in libIEC61850 v1.3 leading to a null pointer dereference in the Ethernet_sendPacket function. Learn about the impact, affected systems, exploitation, and mitigation steps.
A problem has been discovered in the version 1.3 of libIEC61850, specifically a null pointer dereference found in the Ethernet_sendPacket function located in ethernet_bsd.c.
Understanding CVE-2018-19122
This CVE entry highlights a vulnerability in libIEC61850 v1.3 that could lead to a NULL pointer dereference in the Ethernet_sendPacket function.
What is CVE-2018-19122?
CVE-2018-19122 is a vulnerability in libIEC61850 v1.3 that allows for a null pointer dereference in the Ethernet_sendPacket function, which is situated in ethernet_bsd.c.
The Impact of CVE-2018-19122
The vulnerability could potentially lead to a denial of service (DoS) condition or other security issues due to the null pointer dereference.
Technical Details of CVE-2018-19122
This section provides more in-depth technical details about the CVE.
Vulnerability Description
The issue in libIEC61850 v1.3 results in a null pointer dereference in the Ethernet_sendPacket function within ethernet_bsd.c.
Affected Systems and Versions
- Affected Product: Not applicable
- Affected Vendor: Not applicable
- Affected Version: Not applicable
Exploitation Mechanism
The vulnerability can be exploited by triggering the null pointer dereference in the Ethernet_sendPacket function.
Mitigation and Prevention
Protecting systems from CVE-2018-19122 requires immediate action and long-term security measures.
Immediate Steps to Take
- Apply vendor patches or updates if available.
- Implement network segmentation to limit the impact of potential attacks.
- Monitor network traffic for any suspicious activity.
Long-Term Security Practices
- Regularly update and patch software to address known vulnerabilities.
- Conduct security assessments and penetration testing to identify and mitigate risks.
- Educate users and IT staff on best practices for cybersecurity.
- Consider implementing intrusion detection/prevention systems.
Patching and Updates
Ensure that the latest patches and updates for libIEC61850 are applied to mitigate the vulnerability.