Description
Chaos Controller Manager is vulnerable to OS command injection
EPSS Score:
0%
Comprehensive Technical Analysis of EUVD-2025-29176
1. Vulnerability Assessment and Severity Evaluation
The vulnerability EUVD-2025-29176, also known as CVE-2025-59359, affects the Chaos Controller Manager component of Chaos Mesh, a popular chaos engineering platform for Kubernetes. The vulnerability is classified as an OS command injection, which is a critical type of security flaw. The CVSS (Common Vulnerability Scoring System) base score of 9.8 indicates a high severity, reflecting the potential for significant impact if exploited.
CVSS Vector Breakdown:
- AV:N (Network Vector): The vulnerability can be exploited remotely over the network.
- AC:L (Low Complexity): The attack requires low skill or resources to exploit.
- PR:N (No Privileges Required): No prior authentication is needed to exploit the vulnerability.
- UI:N (No User Interaction): No user interaction is required for the exploit to succeed.
- S:U (Unchanged Scope): The vulnerability does not change the security scope.
- C:H (High Confidentiality Impact): Complete loss of confidentiality.
- I:H (High Integrity Impact): Complete loss of integrity.
- A:H (High Availability Impact): Complete loss of availability.
2. Potential Attack Vectors and Exploitation Methods
The primary attack vector for this vulnerability is through network-based exploitation. An attacker could inject malicious OS commands into the Chaos Controller Manager, leading to arbitrary command execution on the underlying operating system. This could result in:
- Remote Code Execution (RCE): Executing arbitrary commands on the host system.
- Data Exfiltration: Stealing sensitive data from the Kubernetes cluster.
- Cluster Takeover: Gaining full control over the Kubernetes cluster, potentially leading to further attacks on other connected systems.
3. Affected Systems and Software Versions
The vulnerability affects Chaos Mesh versions prior to the fix implemented in the commit 67281c36f8068bf103149318cd0a466417213a28. Organizations using Chaos Mesh for chaos engineering in their Kubernetes environments are at risk. Specifically, any deployment of Chaos Mesh that includes the Chaos Controller Manager component is vulnerable.
4. Recommended Mitigation Strategies
To mitigate the risk associated with this vulnerability, the following steps are recommended:
- Update Chaos Mesh: Immediately update to the latest version of Chaos Mesh that includes the fix for this vulnerability.
- Network Segmentation: Implement strict network segmentation to limit access to the Chaos Controller Manager.
- Access Controls: Enforce strict access controls and authentication mechanisms to prevent unauthorized access.
- Monitoring and Logging: Enhance monitoring and logging to detect any suspicious activities or unauthorized command executions.
- Regular Audits: Conduct regular security audits and vulnerability assessments to identify and address potential security issues.
5. Impact on European Cybersecurity Landscape
The impact of this vulnerability on the European cybersecurity landscape is significant, particularly for organizations that rely on Kubernetes for container orchestration. Chaos Mesh is widely used for chaos engineering, which is crucial for ensuring the resilience of cloud-native applications. A successful exploitation could lead to widespread disruption and data breaches, affecting critical infrastructure and services.
6. Technical Details for Security Professionals
Vulnerability Details:
- The vulnerability arises from insufficient input validation in the Chaos Controller Manager, allowing an attacker to inject OS commands.
- The injection point is likely within the command execution logic of the Chaos Controller Manager.
Exploitation Steps:
- Identify Target: Locate the Chaos Controller Manager within the Kubernetes cluster.
- Craft Payload: Create a malicious payload that includes OS commands.
- Inject Payload: Send the payload to the Chaos Controller Manager, exploiting the vulnerability.
- Execute Commands: The injected commands are executed on the host system, leading to potential RCE.
Detection and Response:
- Intrusion Detection Systems (IDS): Deploy IDS to detect unusual command execution patterns.
- Incident Response Plan: Develop and implement an incident response plan to quickly address any detected exploitation attempts.
- Patch Management: Ensure a robust patch management process to apply security updates promptly.
References:
By following these recommendations and staying vigilant, organizations can significantly reduce the risk posed by this vulnerability and ensure the security of their Kubernetes environments.