CVE-2021-38427 : Vulnerability Insights and Analysis

RTI Connext DDS Professional and Connext DDS Secure Versions 4.2.x to 6.1.0 are vulnerable to a stack-based buffer overflow, which may allow a local attacker to execute arbitrary code.

Understanding CVE-2021-38427

This CVE refers to a stack-based buffer overflow vulnerability in RTI Connext DDS Professional and Connext DDS Secure software versions 4.2.x to 6.1.0.

What is CVE-2021-38427?

The vulnerability allows a local attacker to potentially execute arbitrary code due to the stack-based buffer overflow in the affected software.

The Impact of CVE-2021-38427

With a CVSS base score of 6.6, this vulnerability has a medium severity impact. It poses a high availability impact and low confidentiality and integrity impacts.

Technical Details of CVE-2021-38427

This section provides details on the vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability is characterized as a stack-based buffer overflow issue.

Affected Systems and Versions

RTI Connext DDS Professional and Connext DDS Secure software versions 4.2.x to 6.1.0 are affected by this vulnerability.

Exploitation Mechanism

A local attacker can exploit this vulnerability to execute arbitrary code.

Mitigation and Prevention

Here are the necessary steps to mitigate the impact of CVE-2021-38427.

Immediate Steps to Take

RTI recommends applying the available patches to address this vulnerability. Users can obtain the patch from the RTI customer portal or by contacting RTI Support.

Long-Term Security Practices

It is crucial to regularly update and patch the affected software to prevent security vulnerabilities.

Patching and Updates

Ensure that you stay updated with security patches and updates provided by RTI to safeguard against potential threats.