CVE-2020-24916 Explained : Impact and Mitigation
Learn about CVE-2020-24916 affecting Yaws web server versions 1.81 to 2.0.7. Understand the impact, technical details, and mitigation steps for this OS command injection vulnerability.
Yaws web server versions 1.81 to 2.0.7 are susceptible to OS command injection.
Understanding CVE-2020-24916
Yaws web server versions 1.81 to 2.0.7 are vulnerable to OS command injection, potentially allowing attackers to execute arbitrary commands on the server.
What is CVE-2020-24916?
This CVE identifies a security vulnerability in the Common Gateway Interface (CGI) implementation in Yaws web server versions 1.81 to 2.0.7. The flaw allows for OS command injection, enabling malicious actors to execute arbitrary commands on the affected server.
The Impact of CVE-2020-24916
The vulnerability could lead to unauthorized access, data theft, server compromise, and potential disruption of services hosted on the Yaws web server.
Technical Details of CVE-2020-24916
Yaws web server versions 1.81 to 2.0.7 are affected by a critical OS command injection vulnerability.
Vulnerability Description
The vulnerability in the CGI implementation of Yaws web server versions 1.81 to 2.0.7 allows attackers to inject and execute arbitrary operating system commands.
Affected Systems and Versions
- Yaws web server versions 1.81 to 2.0.7
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting malicious CGI requests that include specially crafted commands, leading to the execution of unauthorized operations on the server.
Mitigation and Prevention
It is crucial to take immediate action to mitigate the risks associated with CVE-2020-24916.
Immediate Steps to Take
- Update Yaws web server to a non-vulnerable version if available.
- Implement network-level controls to restrict access to the server.
- Monitor server logs for any suspicious activity.
Long-Term Security Practices
- Regularly update and patch all software components to prevent known vulnerabilities.
- Conduct security assessments and penetration testing to identify and address potential weaknesses.
Patching and Updates
- Apply security patches provided by the Yaws web server vendor to address the OS command injection vulnerability.