Threat: Program Logic Errors and Bugs
- Description: Attacker exploits vulnerabilities in the on-chain program's code (smart contract) by sending crafted transactions. This can lead to unauthorized state changes, fund theft, or program denial of service.
- Impact: Loss of program funds, critical application functionality failure, complete compromise of program logic.
- Solana Component Affected: On-Chain Program (Smart Contract), Program Instructions, Accounts.
- Risk Severity: Critical to High.
- Mitigation Strategies:
- Mandatory rigorous security audits by expert Solana security professionals.
- Extensive testing, including fuzzing and formal verification of critical logic.
- Secure coding practices and static analysis during development.
- Implement circuit breakers and emergency program halt mechanisms.
Threat: Program Upgrade Vulnerabilities
- Description: Attacker compromises the program upgrade authority and deploys a malicious program version. This allows for complete control over the application, including fund theft and data manipulation.
- Impact: Total application compromise, catastrophic loss of user funds, irreversible damage to application and user trust.
- Solana Component Affected: On-Chain Program Upgrade Mechanism, Program Upgrade Authority, Accounts.
- Risk Severity: Critical.
- Mitigation Strategies:
- Extremely secure management of upgrade authority keys (hardware wallets, multi-sig).
- Mandatory staged upgrades on test networks before mainnet.
- Timelock mechanisms for upgrades to allow user review and response.
- Public and auditable upgrade code changes.
- Description: Attacker creates a massive number of rent-exempt accounts, aiming to bloat the ledger state and degrade Solana network performance, potentially leading to widespread denial of service.
- Impact: Network-wide performance degradation, potential denial of service for applications and users, increased resource consumption for validators.
- Solana Component Affected: Solana Runtime, Account Storage, Rent Mechanism.
- Risk Severity: High (in large-scale exploitation scenarios).
- Mitigation Strategies:
- Careful program design to limit unnecessary account creation.
- Rate limiting account creation within applications.
- Network-level monitoring and potential rate limiting at the validator level (Solana core responsibility).
- Description: Attacker floods public Solana RPC endpoints with requests, overwhelming the service and preventing legitimate application and user access to the Solana network.
- Impact: Application downtime, inability to interact with Solana, degraded user experience, potential financial losses due to service disruption.
- Solana Component Affected: Solana RPC API, RPC Infrastructure.
- Risk Severity: High (for applications critically dependent on RPC availability).
- Mitigation Strategies:
- Robust RPC infrastructure with rate limiting and request throttling.
- DDoS mitigation services in front of RPC endpoints.
- Consider private or dedicated RPC nodes for critical applications.
- Description: Critical vulnerabilities in Solana SDKs or libraries are exploited by attackers. This could lead to client-side or server-side code execution, allowing for application compromise or malicious actions on behalf of users.
- Impact: Application compromise, data breaches, unauthorized actions, potential compromise of user systems interacting with the application.
- Solana Component Affected: Solana SDKs (JavaScript SDK, Rust SDK, etc.), Application Dependencies.
- Risk Severity: High (if critical vulnerabilities are present and exploitable).
- Mitigation Strategies:
- Strictly maintain up-to-date SDKs and libraries with latest security patches.
- Proactive monitoring of security advisories for Solana SDKs and dependencies.
- Regular security scanning of application dependencies and SDKs.