CVE-2019-12262 : Vulnerability Insights and Analysis
Learn about CVE-2019-12262 affecting Wind River VxWorks versions 6.6, 6.7, 6.8, 6.9, and 7. Discover the impact, technical details, and mitigation steps for this security vulnerability.
Wind River VxWorks versions 6.6, 6.7, 6.8, 6.9, and 7 are affected by an Incorrect Access Control issue in the RARP client component, leading to a security vulnerability in the handling of unsolicited Reverse ARP replies.
Understanding CVE-2019-12262
This CVE entry describes a specific vulnerability in Wind River VxWorks versions 6.6, 6.7, 6.8, 6.9, and 7 related to an Incorrect Access Control issue in the RARP client component.
What is CVE-2019-12262?
The vulnerability stems from a logical flaw within the IPNET module, allowing for the mishandling of unsolicited Reverse ARP replies.
The Impact of CVE-2019-12262
The vulnerability could be exploited by malicious actors to execute arbitrary code or launch denial-of-service attacks, compromising the integrity and availability of affected systems.
Technical Details of CVE-2019-12262
This section delves into the technical aspects of the CVE.
Vulnerability Description
The RARP client component in Wind River VxWorks versions 6.6, 6.7, 6.8, 6.9, and 7 suffers from an Incorrect Access Control issue, specifically in the handling of unsolicited Reverse ARP replies due to a logical flaw in the IPNET module.
Affected Systems and Versions
- Wind River VxWorks versions 6.6, 6.7, 6.8, 6.9, and 7
Exploitation Mechanism
- Malicious actors can exploit this vulnerability by sending crafted unsolicited Reverse ARP replies to trigger the logical flaw in the IPNET module, potentially leading to unauthorized code execution or denial-of-service attacks.
Mitigation and Prevention
Protecting systems from CVE-2019-12262 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply vendor-supplied patches or updates to mitigate the vulnerability.
- Implement network segmentation to limit the impact of potential attacks.
- Monitor network traffic for any signs of exploitation.
Long-Term Security Practices
- Regularly update and patch all software and firmware to address security vulnerabilities promptly.
- Conduct security assessments and penetration testing to identify and remediate weaknesses.
- Educate users and IT staff on best practices for cybersecurity.
- Implement access controls and least privilege principles to restrict unauthorized access.
Patching and Updates
- Wind River VxWorks users should apply the patches provided by the vendor to address the Incorrect Access Control issue in the RARP client component.