CVE-2021-45456 Explained : Impact and Mitigation
Learn about the command injection vulnerability in Apache Kylin 4.0.0 (CVE-2021-45456) that allows unauthorized commands execution. Find mitigation steps and preventive measures here.
Apache Kylin 4.0.0 is vulnerable to a command injection due to a mismatch in project validation, potentially allowing unauthorized commands to be executed.
Understanding CVE-2021-45456
Apache Kylin 4.0.0 is affected by a command injection vulnerability that may lead to unauthorized command execution.
What is CVE-2021-45456?
Apache Kylin fails to properly validate project names, allowing an attacker to inject and execute unauthorized commands via DiagnosisService, affecting version 4.0.0.
The Impact of CVE-2021-45456
The vulnerability may lead to command injection, enabling attackers to execute malicious commands against the system, potentially resulting in unauthorized access or data compromise.
Technical Details of CVE-2021-45456
Apache Kylin 4.0.0 vulnerability details.
Vulnerability Description
- Apache Kylin lacks sufficient validation of project names, leading to a command injection vulnerability.
Affected Systems and Versions
- Apache Kylin 4.0.0
Exploitation Mechanism
- Attackers can exploit the mismatch in project name validation to inject and execute unauthorized commands.
Mitigation and Prevention
Mitigation steps for CVE-2021-45456.
Immediate Steps to Take
- Users of Apache Kylin 4.0.0 should upgrade to version 4.0.1.
- Apply the provided patch at https://github.com/apache/kylin/pull/1781.
Long-Term Security Practices
- Regularly update Apache Kylin to the latest version to address security vulnerabilities.
Patching and Updates
- Stay informed about security patches and promptly apply updates to safeguard against known vulnerabilities.