mcp-server-semgrep/semgrep-rules/solidity/security/superfluid-ctx-injection.yaml

MCP Server for Semgrep Integration - static code analysis with AI

rules:
 -
    id: superfluid-ctx-injection
    message: A specially crafted calldata may be used to impersonate other accounts
    metadata:
        category: security
        technology:
            - solidity
        cwe: "CWE-20: Improper Input Validation"
        confidence: HIGH
        likelihood: HIGH
        impact: HIGH
        subcategory:
            - vuln
        references:
        - https://rekt.news/superfluid-rekt/
        - https://medium.com/superfluid-blog/08-02-22-exploit-post-mortem-15ff9c97cdd
        - https://polygonscan.com/address/0x07711bb6dfbc99a1df1f2d7f57545a67519941e7
    patterns:
    - pattern: $T.decodeCtx(ctx);
    - pattern-not-inside: |
        require($T.isCtxValid(...), "...");
        ...
    languages: 
    - solidity
    severity: ERROR