CVE-2019-12264 : Exploit Details and Defense Strategies
Learn about CVE-2019-12264 affecting Wind River VxWorks versions 6.6, 6.7, 6.8, 6.9.3, 6.9.4, and Vx7. Discover the impact, technical details, and mitigation steps for this access control flaw.
Wind River VxWorks versions 6.6, 6.7, 6.8, 6.9.3, 6.9.4, and Vx7 are affected by an access control flaw in the ipdhcpc DHCP client component.
Understanding CVE-2019-12264
This CVE involves a vulnerability in the DHCP client component of Wind River VxWorks versions, leading to incorrect access control for IPv4 assignments.
What is CVE-2019-12264?
The ipdhcpc DHCP client component in Wind River VxWorks versions 6.6, 6.7, 6.8, 6.9.3, 6.9.4, and Vx7 has a flaw in its access control for IPv4 assignments.
The Impact of CVE-2019-12264
The vulnerability could allow an attacker to manipulate IPv4 assignments, potentially leading to unauthorized access or network disruptions.
Technical Details of CVE-2019-12264
This section provides more in-depth technical insights into the CVE.
Vulnerability Description
The ipdhcpc DHCP client component in affected VxWorks versions lacks proper access control mechanisms for IPv4 assignments, opening the door to exploitation.
Affected Systems and Versions
- Wind River VxWorks 6.6
- Wind River VxWorks 6.7
- Wind River VxWorks 6.8
- Wind River VxWorks 6.9.3
- Wind River VxWorks 6.9.4
- Wind River VxWorks Vx7
Exploitation Mechanism
Attackers can exploit this vulnerability by manipulating IPv4 assignments through the ipdhcpc DHCP client component, potentially gaining unauthorized access or disrupting network operations.
Mitigation and Prevention
Protecting systems from CVE-2019-12264 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply vendor-supplied patches or updates promptly.
- 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 all software and firmware components.
- Conduct security assessments and penetration testing to identify vulnerabilities.
- Educate users and IT staff on best security practices to prevent future incidents.
Patching and Updates
Ensure that all affected Wind River VxWorks versions are updated with the latest patches to address the access control vulnerability.