Capsudo: Rethinking Sudo with Object Capabilities
a day ago
- #Privilege Escalation
- #Linux Security
- #Object-Capability Model
- Criticism of sudo for its monolithic design, SUID requirement, and complex configuration.
- Introduction of the object-capability model as a better alternative to identity-based access control.
- Description of capsudo, a project implementing the object-capability model for privilege escalation.
- Example of delegating mount and umount capabilities with capsudo for a volume management service.
- Explanation of how capsudo can be used for non-root delegations, such as service accounts for web applications.
- Detailed walkthrough of delegating authority in a web application deployment scenario using capsudo.
- Comparison of identity-based access control and object-capability systems in terms of authority delegation.