CVE-2019-11291 Explained : Impact and Mitigation
Learn about CVE-2019-11291, a cross-site scripting vulnerability in Pivotal RabbitMQ and RabbitMQ for PCF. Find out the impact, affected versions, and mitigation steps.
A security vulnerability exists in Pivotal RabbitMQ versions before v3.7.20 and v3.8.1, and RabbitMQ for PCF versions before 1.16.7 and 1.17.4. This vulnerability allows a remote authenticated malicious user to execute a cross-site scripting attack through the federation and shovel endpoints.
Understanding CVE-2019-11291
This CVE involves a cross-site scripting vulnerability in RabbitMQ and RabbitMQ for Pivotal Platform.
What is CVE-2019-11291?
The vulnerability in CVE-2019-11291 allows a remote authenticated attacker to conduct a cross-site scripting attack via the federation and shovel endpoints, potentially leading to unauthorized access to virtual hosts and policy management information.
The Impact of CVE-2019-11291
The vulnerability has a CVSS base score of 3.1, indicating a low severity issue. However, it poses a risk of unauthorized access and potential data manipulation by exploiting the federation and shovel endpoints.
Technical Details of CVE-2019-11291
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The security flaw arises from the federation and shovel endpoints in Pivotal RabbitMQ and RabbitMQ for PCF, which fail to properly sanitize user input, enabling a cross-site scripting attack.
Affected Systems and Versions
- RabbitMQ versions prior to v3.7.20 and v3.8.1
- RabbitMQ for Pivotal Platform versions prior to 1.16.7 and 1.17.4
Exploitation Mechanism
A remote authenticated malicious user with administrative privileges can exploit the vulnerability by crafting a cross-site scripting attack through the vhost or node name fields.
Mitigation and Prevention
Protect your systems from CVE-2019-11291 with the following steps:
Immediate Steps to Take
- Upgrade RabbitMQ and RabbitMQ for Pivotal Platform to versions 3.7.20, 3.8.1, 1.16.7, or 1.17.4 to mitigate the vulnerability.
- Monitor and restrict user access to prevent unauthorized administrative actions.
Long-Term Security Practices
- Regularly update and patch your systems to address security vulnerabilities promptly.
- Educate users on safe computing practices to prevent social engineering attacks.
Patching and Updates
- Stay informed about security advisories and apply patches provided by Pivotal and other relevant vendors.