CVE-2019-13611 Explained : Impact and Mitigation
Learn about CVE-2019-13611 affecting python-engineio up to version 3.8.2. Understand the Cross-Site WebSocket Hijacking (CSWSH) vulnerability and how to mitigate the risk.
A vulnerability has been found in python-engineio up to version 3.8.2, enabling attackers to establish WebSocket connections with a server using a victim's credentials.
Understanding CVE-2019-13611
This CVE identifies a Cross-Site WebSocket Hijacking (CSWSH) vulnerability in python-engineio.
What is CVE-2019-13611?
This vulnerability allows attackers to make WebSocket connections to a server by exploiting the lack of restrictions on the Origin header.
The Impact of CVE-2019-13611
Attackers can use a victim's credentials to establish WebSocket connections with a server, potentially leading to unauthorized access and data compromise.
Technical Details of CVE-2019-13611
This section provides detailed technical information about the CVE.
Vulnerability Description
The vulnerability in python-engineio up to version 3.8.2 allows for Cross-Site WebSocket Hijacking (CSWSH), enabling unauthorized WebSocket connections using victim credentials.
Affected Systems and Versions
- Product: python-engineio
- Vendor: N/A
- Versions affected: Up to 3.8.2
Exploitation Mechanism
Attackers exploit the lack of restrictions on the Origin header to establish WebSocket connections with a server using a victim's credentials.
Mitigation and Prevention
Protect your systems from CVE-2019-13611 with the following measures:
Immediate Steps to Take
- Upgrade python-engineio to version 3.8.3 or later to patch the vulnerability.
- Implement proper Origin header restrictions to prevent unauthorized WebSocket connections.
Long-Term Security Practices
- Regularly update software and libraries to mitigate known vulnerabilities.
- Conduct security assessments to identify and address potential weaknesses.
Patching and Updates
Stay informed about security updates for python-engineio and promptly apply patches to secure your systems.