threat-modeling.md

Threat Model Analysis for keepassxreboot/keepassxc

Threat: Known KeePassXC Vulnerability Exploitation

Description: An attacker exploits a publicly known vulnerability in KeePassXC software. This could involve using an exploit to gain unauthorized access to memory, execute arbitrary code, or bypass security controls within KeePassXC. Impact: Critical. Complete compromise of the KeePassXC database, leading to exposure of all stored passwords and sensitive information. Potential for system compromise if the vulnerability allows code execution. KeePassXC Component Affected: Core KeePassXC application (various modules depending on the vulnerability). Risk Severity: Critical to High. Mitigation Strategies: Developers/Users: Regularly update KeePassXC to the latest stable version. Developers/Users: Subscribe to KeePassXC security mailing lists or monitor security advisories for vulnerability announcements.

Threat: Supply Chain Compromise of KeePassXC

Description: An attacker compromises the KeePassXC software supply chain, injecting malicious code into the KeePassXC application or its dependencies during development, build, or distribution. Users unknowingly download and install the compromised version. Impact: Critical. Potentially complete system compromise, data theft, malware installation, and long-term persistence within user systems. KeePassXC Component Affected: KeePassXC distribution packages, build process, or dependencies. Risk Severity: Critical. Mitigation Strategies: Developers/Users: Download KeePassXC only from official and trusted sources (e.g., KeePassXC website, official repositories). Developers/Users: Verify the integrity of downloaded KeePassXC packages using checksums or digital signatures provided by the KeePassXC developers.

Threat: Insecure KeePassXC Integration Implementation

Description: Developers implement the integration with KeePassXC in an insecure manner. This could involve mishandling API calls, storing KeePassXC credentials insecurely within the application, or introducing vulnerabilities in the integration logic itself (e.g., buffer overflows, injection flaws) when interacting with KeePassXC API. Impact: High. Unauthorized access to the KeePassXC database, data leakage of passwords during retrieval due to integration flaws, application crashes leading to denial of service, or potential for further exploitation depending on the nature of the implementation flaw. KeePassXC Component Affected: Application's integration code, KeePassXC API interaction. Risk Severity: High. Mitigation Strategies: Developers: Follow KeePassXC API documentation and best practices for integration. Developers: Conduct thorough security code reviews of the KeePassXC integration logic. Developers: Implement robust input validation and error handling in the integration code, especially when processing data from KeePassXC API. Developers: Apply the principle of least privilege when granting application access to KeePassXC resources. Developers: Perform penetration testing specifically targeting the KeePassXC integration.