CVE-2019-15137 : Vulnerability Insights and Analysis

A vulnerability has been discovered in the Access Control plugin of eProsima Fast RTPS up to version 1.9.0, allowing unintended connections among participants in a Data Distribution Service (DDS) network.

Understanding CVE-2019-15137

This CVE identifies a security issue in eProsima Fast RTPS that could lead to unauthorized connections within a DDS network.

What is CVE-2019-15137?

The vulnerability in the Access Control plugin of eProsima Fast RTPS up to version 1.9.0 allows fnmatch pattern matches using topic name strings instead of permission expressions, potentially resulting in unintended connections among DDS network participants.

The Impact of CVE-2019-15137

The vulnerability could be exploited to establish unauthorized connections within a DDS network, compromising the integrity and security of the data being distributed.

Technical Details of CVE-2019-15137

This section provides more technical insights into the CVE.

Vulnerability Description

The Access Control plugin in eProsima Fast RTPS through 1.9.0 permits fnmatch pattern matches with topic name strings, enabling unintended connections between participants in a DDS network.

Affected Systems and Versions

Product: eProsima Fast RTPS
Versions affected: Up to version 1.9.0

Exploitation Mechanism

The vulnerability allows malicious actors to bypass access controls and establish unauthorized connections within the DDS network, potentially leading to data breaches or unauthorized data access.

Mitigation and Prevention

Protecting systems from CVE-2019-15137 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update eProsima Fast RTPS to the latest version that contains a patch for this vulnerability.
Monitor network traffic for any suspicious activity that could indicate unauthorized connections.

Long-Term Security Practices

Implement strict access control policies to prevent unauthorized access within the DDS network.
Regularly review and update security configurations to address any potential vulnerabilities.

Patching and Updates

Apply patches and updates provided by eProsima to address the vulnerability and enhance the security of the Fast RTPS software.