CVE-2020-1956 Explained : Impact and Mitigation
Learn about CVE-2020-1956 affecting Apache Kylin versions 2.3.0, up to 2.6.5, and 3.0.1 with a Command Injection vulnerability. Take immediate steps to prevent unauthorized OS command execution.
Apache Kylin versions 2.3.0, up to 2.6.5, and 3.0.1 are vulnerable to Command Injection, allowing users to execute OS commands without validation.
Understanding CVE-2020-1956
Apache Kylin versions 2.3.0, up to 2.6.5, and 3.0.1 have a Command Injection vulnerability due to unsanitized user input.
What is CVE-2020-1956?
Apache Kylin's affected versions concatenate OS commands without proper input validation, enabling users to execute unauthorized commands.
The Impact of CVE-2020-1956
This vulnerability allows malicious actors to execute arbitrary OS commands, posing significant security risks to affected systems.
Technical Details of CVE-2020-1956
The technical details of the CVE-2020-1956 vulnerability in Apache Kylin.
Vulnerability Description
The issue lies in Apache Kylin's restful APIs, where user input strings are concatenated with OS commands without proper validation, enabling command execution.
Affected Systems and Versions
- Apache Kylin 2.3.0
- Releases up to version 2.6.5
- Release 3.0.1
Exploitation Mechanism
Attackers can exploit this vulnerability by inserting malicious OS commands through the affected APIs, leading to unauthorized command execution.
Mitigation and Prevention
Effective steps to mitigate and prevent the CVE-2020-1956 vulnerability.
Immediate Steps to Take
- Update Apache Kylin to a patched version that addresses the Command Injection vulnerability.
- Implement input sanitization and validation mechanisms to prevent unauthorized command execution.
- Monitor system logs for any unusual command execution activities.
Long-Term Security Practices
- Regularly update and patch Apache Kylin to the latest secure versions.
- Conduct security audits and assessments to identify and mitigate similar vulnerabilities.
- Educate users and developers on secure coding practices to prevent Command Injection attacks.
Patching and Updates
Apache Kylin users should apply the security patches provided by the Apache project to address the Command Injection vulnerability.