CVE-2017-2921 Explained : Impact and Mitigation
Learn about CVE-2017-2921 affecting Cesanta Mongoose 6.8. Discover the impact, technical details, and mitigation steps for this memory corruption vulnerability.
Cesanta Mongoose 6.8 WebSocket Protocol Memory Corruption Vulnerability
Understanding CVE-2017-2921
Cesanta Mongoose 6.8 has a vulnerability in its WebSocket protocol implementation that can lead to memory corruption, potentially resulting in denial of service and remote code execution.
What is CVE-2017-2921?
The vulnerability in Cesanta Mongoose 6.8 allows an attacker to exploit the WebSocket protocol implementation, triggering an integer overflow that can cause a heap buffer overflow.
The Impact of CVE-2017-2921
The vulnerability can result in denial of service and potentially enable remote code execution by sending a malicious WebSocket packet over a network connection.
Technical Details of CVE-2017-2921
Vulnerability Description
- Cesanta Mongoose 6.8 is susceptible to memory corruption due to a flaw in its WebSocket protocol implementation.
Affected Systems and Versions
- Product: Mongoose
- Vendor: Cesanta
- Version: 6.8
Exploitation Mechanism
- Attack Complexity: High
- Attack Vector: Network
- Privileges Required: None
- Impact: High severity with confidentiality, integrity, and availability impacts
Mitigation and Prevention
Immediate Steps to Take
- Apply vendor patches or updates to address the vulnerability.
- Monitor network traffic for any signs of exploitation.
Long-Term Security Practices
- Regularly update software and firmware to mitigate potential vulnerabilities.
- Implement network segmentation and access controls to limit the attack surface.
Patching and Updates
- Stay informed about security advisories and apply patches promptly to secure systems.