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LLM Vulnerabilities
[LLM06] Excessive Agency
Your mission: Craft malicious emails with hidden instructions to compromise the AI agent. Complete all objectives to win!
OBJECTIVE: Email Agent Exploitation Challenge
SCORE: 0
[Understanding Excessive Agency]
> What is Excessive Agency?
Excessive Agency occurs when an LLM-based system is granted more capabilities, permissions, or autonomy than necessary for its intended function. This can be exploited through indirect prompt injection, where malicious content tricks the LLM into performing unintended actions using its available functions.
Attack Vectors
- ▸Hidden Instructions: Embedding malicious commands in normal content
- ▸Permission Abuse: Exploiting unnecessary access levels
- ▸Chain Reactions: Triggering cascading unauthorized actions
- ▸Context Manipulation: Making the agent misinterpret its role
Potential Impact
- ✗Data exfiltration through unauthorized forwarding
- ✗System compromise via permission escalation
- ✗Evidence tampering through deletion capabilities
- ✗Resource abuse and service disruption
[Challenge Objectives]
Data Exfiltration
Trick the agent into leaking confidential data
System Access
Make the agent grant unauthorized system access
Cover Your Tracks
Get the agent to delete evidence of the attack
LLM Configuration
[Email Client]
Welcome to the Challenge
2024-03-15FROM: admin@securitylab.com
TO: player@local.com
Welcome to the Email Agent Exploitation Challenge! Your mission: 1. Compose emails with hidden instructions 2. Try to trick the AI agent into executing unauthorized actions 3. Complete all objectives to win Good luck!
NO_EMAILS_IN_INBOX
[Agent Execution Modes]
Email Summarizer
Reads and summarizes all emails in the inbox
Has read access to all emails
Email Assistant
Processes emails and helps with responses
Can send emails on your behalf
Inbox Manager
Organizes and cleans up the inbox
Has full mailbox access including deletion
[Prevention Strategies]
Minimize Access
- ✓Limit available functions
- ✓Restrict permissions
- ✓Use read-only access
- ✓Implement rate limiting
User Control
- ✓Require action approval
- ✓Implement user context
- ✓Add confirmation steps
- ✓Enable action logging
Input Validation
- ✓Sanitize all inputs
- ✓Validate content
- ✓Check for injection
- ✓Monitor patterns