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missing-protection-signature-replay

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Prevent signature replay attacks

Software Engineering#security#vulnerability#smart contracts#solidity#ecdsa#signature replay
AuthorApegurus
Version1.0.0
Installs0

System Documentation

What problem does it solve?

This Skill addresses a critical security vulnerability in smart contracts where ECDSA signatures, used for authorization, can be replayed maliciously due to insufficient validation.

Core Features & Use Cases

  • Signature Verification: Ensures contracts correctly verify ECDSA signatures for authorization.
  • Replay Attack Prevention: Implements mechanisms to prevent the same signature from being used multiple times or across different contexts.
  • Use Case: Protects sensitive contract functions, like token transfers or administrative actions, from unauthorized re-execution using a previously valid signature.

Quick Start

Audit the VaultContract.sol for missing protection against signature replay vulnerabilities.

Dependency Matrix

Required Modules

None required

Components

references

💻 Claude Code Installation

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Please help me install this Skill:
Name: missing-protection-signature-replay
Download link: https://github.com/Apegurus/solidity-argus/archive/main.zip#missing-protection-signature-replay

Please download this .zip file, extract it, and install it in the .claude/skills/ directory.
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