CVE-2021-29997 : Vulnerability Insights and Analysis
Learn about CVE-2021-29997, a vulnerability in Wind River VxWorks 7 before 21.03 that could lead to a buffer over-read on IKE. Understand the impact, technical details, mitigation steps, and prevention strategies.
An issue was discovered in Wind River VxWorks 7 before 21.03 where a specially crafted packet may lead to a buffer over-read on IKE.
Understanding CVE-2021-29997
This CVE involves a vulnerability in Wind River VxWorks 7 before version 21.03 that could potentially result in a buffer over-read on IKE.
What is CVE-2021-29997?
CVE-2021-29997 is a security vulnerability found in Wind River VxWorks 7 before version 21.03. It can be exploited by a specially crafted packet to cause a buffer over-read on the Internet Key Exchange (IKE) component.
The Impact of CVE-2021-29997
The impact of this vulnerability could allow an attacker to execute arbitrary code or cause a denial of service (DoS) condition by sending malicious packets to the affected system, potentially leading to unauthorized access or system instability.
Technical Details of CVE-2021-29997
In this section, we will delve into the specific technical details of CVE-2021-29997.
Vulnerability Description
The vulnerability arises from improper handling of certain packets by the IKE component in Wind River VxWorks 7 before version 21.03, which could result in a buffer over-read condition.
Affected Systems and Versions
The vulnerability affects Wind River VxWorks 7 systems that are running versions prior to 21.03.
Exploitation Mechanism
To exploit this vulnerability, an attacker needs to craft a malicious packet specifically designed to trigger the buffer over-read condition in the IKE component of the affected system.
Mitigation and Prevention
It is crucial to implement appropriate mitigation strategies to safeguard systems from potential exploitation of CVE-2021-29997.
Immediate Steps to Take
- Update Wind River VxWorks 7 to version 21.03 or later to patch the vulnerability.
- Employ network security measures to monitor and filter potentially malicious network traffic targeting the IKE component.
Long-Term Security Practices
- Regularly update and patch software to ensure the latest security fixes are in place.
- Conduct security assessments and audits to identify and remediate vulnerabilities in a timely manner.
Patching and Updates
Stay informed about security advisories and patches released by Wind River to address CVE-2021-29997 and other potential vulnerabilities in the software.