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Threat Model Analysis for vectordotdev/vector

Threat: Vulnerability Exploitation in Vector Core

Description: An attacker exploits a known or zero-day vulnerability in the Vector binary code. This could allow execution of arbitrary code on the system running Vector. Impact: Remote Code Execution (RCE), Denial of Service (DoS), data corruption, information disclosure, full system compromise. Vector Component Affected: Vector Core Binary. Risk Severity: Critical Mitigation Strategies:

  • Keep Vector updated to the latest stable version.
  • Monitor Vector security advisories.
  • Implement system hardening practices.

Threat: Resource Exhaustion (DoS)

Description: Misconfiguration or malicious input causes Vector to consume excessive system resources (CPU, memory, disk I/O), leading to service disruption. Impact: Denial of Service for the Vector pipeline, performance degradation. Vector Component Affected: Vector Process, Input/Transform/Output modules. Risk Severity: High Mitigation Strategies:

  • Configure Vector resource limits (resource_limits).
  • Implement resource usage monitoring and alerting.
  • Perform capacity planning and load testing.
  • Implement rate limiting at input sources.

Threat: Privilege Escalation

Description: An attacker who has compromised the Vector process attempts to escalate privileges on the host system, gaining higher levels of access. Impact: Full system compromise, unauthorized access to sensitive data and systems. Vector Component Affected: Vector Process, System Permissions. Risk Severity: High Mitigation Strategies:

  • Run Vector with least necessary privileges.
  • Implement strong host system hardening.
  • Conduct regular security audits.

Threat: Exposure of Sensitive Information in Configuration

Description: Vector configuration files containing sensitive information (API keys, passwords) are exposed, allowing attackers to access these credentials. Impact: Compromise of external systems, unauthorized data access, data breaches. Vector Component Affected: Vector Configuration Files. Risk Severity: High Mitigation Strategies:

  • Securely store configuration files with access controls.
  • Use environment variables or secret management systems for sensitive data.
  • Encrypt sensitive data in configuration if possible.

Threat: Configuration Injection/Tampering

Description: Attackers inject malicious configurations or tamper with existing settings if Vector configuration is dynamically generated or lacks validation. Impact: Data redirection, data manipulation, denial of service, unauthorized access. Vector Component Affected: Vector Configuration Management. Risk Severity: High Mitigation Strategies:

  • Treat configuration as code and apply secure development practices.
  • Validate and sanitize external inputs for configuration.
  • Implement version control and auditing for configuration changes.

Threat: Data Leakage to Unauthorized Destinations

Description: Misconfiguration or compromise of Vector leads to data being sent to unintended or unauthorized output destinations. Impact: Data breaches, privacy violations, compliance issues. Vector Component Affected: Output Modules, Vector Configuration. Risk Severity: High Mitigation Strategies:

  • Carefully configure and verify output destinations.
  • Implement access controls for output destinations.
  • Regularly audit output configurations and data flow paths.
  • Use network segmentation to restrict Vector's network access.

Threat: Credential Compromise for Output Destinations

Description: Vector's credentials for output destinations are compromised, allowing attackers unauthorized access to those systems. Impact: Unauthorized access to output systems, data manipulation, lateral movement. Vector Component Affected: Output Modules, Credential Management. Risk Severity: High Mitigation Strategies:

  • Securely manage output destination credentials using secret management.
  • Implement least privilege access for Vector's credentials.
  • Rotate credentials regularly.
  • Monitor for unauthorized access attempts to output destinations.

Threat: Unauthorized Access to Control Plane

Description: If Vector's control plane is exposed without proper authentication, attackers can gain unauthorized access to manage and monitor Vector. Impact: Configuration tampering, data redirection, denial of service, information disclosure. Vector Component Affected: Vector Control Plane (API, Management Interface). Risk Severity: High Mitigation Strategies:

  • Secure control plane with strong authentication (API keys, mTLS).
  • Implement authorization and RBAC.
  • Limit network exposure of the control plane.
  • Audit control plane access logs.

Threat: Control Plane Vulnerability Exploitation

Description: Vulnerabilities in Vector's control plane API or management interface are exploited, potentially leading to remote code execution or administrative control. Impact: Remote Code Execution on control plane, configuration manipulation, denial of service. Vector Component Affected: Vector Control Plane (API, Management Interface). Risk Severity: Critical Mitigation Strategies:

  • Keep Vector and control plane components updated.
  • Perform security testing and vulnerability scanning of the control plane.
  • Follow secure development practices for control plane extensions.