CVE-2021-43286 Explained : Impact and Mitigation
Learn about CVE-2021-43286, a critical vulnerability in ThoughtWorks GoCD allowing attackers to execute arbitrary code. Find mitigation steps and update recommendations here.
An issue was discovered in ThoughtWorks GoCD before 21.3.0 where an attacker can exploit a command-line injection vulnerability to execute arbitrary code.
Understanding CVE-2021-43286
This CVE describes a security flaw in ThoughtWorks GoCD that allows attackers to run arbitrary code through a command-line injection.
What is CVE-2021-43286?
CVE-2021-43286 is a vulnerability in ThoughtWorks GoCD that enables an attacker to execute arbitrary code by leveraging a command-line injection in the Git URL "Test Connection" feature.
The Impact of CVE-2021-43286
The exploitation of this vulnerability can result in unauthorized execution of commands by an attacker with privileges to create a new pipeline on a GoCD server.
Technical Details of CVE-2021-43286
The technical aspects of CVE-2021-43286 shed light on the specific vulnerability and its implications.
Vulnerability Description
The vulnerability in ThoughtWorks GoCD before version 21.3.0 allows an attacker to carry out arbitrary code execution through a command-line injection in the Git URL "Test Connection" feature.
Affected Systems and Versions
- Affected Product: ThoughtWorks GoCD
- Affected Version: Before 21.3.0
Exploitation Mechanism
The security flaw can be exploited by an attacker with permissions to create a new pipeline on a GoCD server, enabling them to execute unauthorized code.
Mitigation and Prevention
Mitigating the risks associated with CVE-2021-43286 is crucial to ensure the security of affected systems.
Immediate Steps to Take
- Update ThoughtWorks GoCD to version 21.3.0 or newer to address the vulnerability.
- Restrict pipeline creation privileges to trusted users to limit exposure to potential exploits.
Long-Term Security Practices
- Conduct regular security assessments and penetration testing to identify and remediate vulnerabilities proactively.
- Implement strong input validation mechanisms to prevent command injections and other similar attacks.
Patching and Updates
- Stay informed about security updates and patches released by ThoughtWorks GoCD to address known vulnerabilities promptly.