CVE-2021-38487 : Vulnerability Insights and Analysis

RTI Connext DDS Professional and Connext DDS Secure versions 4.2x to 6.1.0, and Connext DDS Micro versions 2.4 and later are vulnerable to a network amplification vulnerability. This vulnerability could lead to denial-of-service conditions and information exposure.

Understanding CVE-2021-38487

This section provides detailed insights into the vulnerability's impact, technical details, and mitigation strategies.

What is CVE-2021-38487?

CVE-2021-38487 impacts RTI Connext DDS Professional, Connext DDS Secure, and Connext DDS Micro due to insufficient control of network message volume, leading to network amplification.

The Impact of CVE-2021-38487

The vulnerability poses a high availability impact, with the potential to cause denial-of-service conditions and expose sensitive information.

Technical Details of CVE-2021-38487

This section dives deeper into the vulnerability's description, affected systems, versions, and exploitation mechanism.

Vulnerability Description

The vulnerability arises when an attacker sends specially crafted packets to flood target devices with unwanted traffic.

Affected Systems and Versions

RTI Connext DDS Professional 4.2x to 6.1.0, Connext DDS Secure 4.2x to 6.1.0, and Connext DDS Micro 2.4 and later versions are impacted.

Exploitation Mechanism

The vulnerability can be exploited by sending malicious packets to overwhelm target devices, leading to a denial-of-service condition and potential information exposure.

Mitigation and Prevention

This section outlines immediate steps to take and long-term security practices to mitigate the vulnerability effectively.

Immediate Steps to Take

Users are advised to apply available patches provided by RTI to address the vulnerability. Additionally, contacting RTI Support for further mitigations is recommended.

Long-Term Security Practices

Implementing network security best practices and staying updated with RTI security advisories can help prevent similar vulnerabilities in the future.

Patching and Updates

Regularly applying security patches and updates from RTI is crucial to ensuring a secure deployment.