Learn about CVE-2022-38767, a vulnerability in Wind River VxWorks 6.9 and 7 that allows DoS attacks via a Radius server packet. Find mitigation strategies and patching recommendations.
This article provides detailed information about CVE-2022-38767, including its description, impact, technical details, and mitigation strategies.
Understanding CVE-2022-38767
CVE-2022-38767 is a vulnerability discovered in Wind River VxWorks 6.9 and 7, which can lead to a Denial of Service (DoS) attack when a specially crafted packet is sent by a Radius server during the IP Radius access procedure.
What is CVE-2022-38767?
CVE-2022-38767 is a security flaw in Wind River VxWorks 6.9 and 7, allowing malicious actors to exploit the system by sending a specific packet through a Radius server, resulting in a DoS condition.
The Impact of CVE-2022-38767
The vulnerability can be exploited by attackers to disrupt the IP Radius access procedure, leading to service unavailability and potentially affecting the availability of critical systems.
Technical Details of CVE-2022-38767
This section covers the vulnerability description, affected systems and versions, as well as the exploitation mechanism.
Vulnerability Description
The flaw in Wind River VxWorks 6.9 and 7 permits attackers to execute a DoS attack by sending a malicious packet via a Radius server, impacting the IP Radius access process.
Affected Systems and Versions
All versions of Wind River VxWorks 6.9 and 7 are vulnerable to CVE-2022-38767, exposing systems running these versions to the risk of DoS attacks.
Exploitation Mechanism
By sending a specifically crafted packet through a Radius server, threat actors can trigger the vulnerability in Wind River VxWorks 6.9 and 7, causing a Denial of Service incident.
Mitigation and Prevention
To address CVE-2022-38767, immediate actions, long-term security practices, and patching guidelines are crucial.
Immediate Steps to Take
To mitigate the risk, organizations should consider implementing network monitoring, restricting network access to Radius servers, and applying vendor-supplied patches promptly.
Long-Term Security Practices
Incorporating secure coding practices, conducting regular security assessments, and staying updated on security advisories can enhance the overall security posture and prevent similar vulnerabilities in the future.
Patching and Updates
It is recommended to apply the patches provided by Wind River to address CVE-2022-38767 and ensure that systems running VxWorks 6.9 and 7 are updated to the latest secure versions.