Blockchain RPC Exposure Detection Scanner
This scanner detects the use of Blockchain RPC exposure in digital assets. The vulnerability relates to exposing the txpool_content method, enabling potential exploitations such as frontrunning attacks and MEV extraction.
Short Info
Level
Single Scan
Single Scan
Can be used by
Asset Owner
Estimated Time
10 seconds
Time Interval
17 days 5 hours
Scan only one
Domain, Subdomain, IPv4
Toolbox
Blockchain RPC exposure primarily affects decentralized applications and platforms utilizing blockchain technology for processing transactions. These applications are widely utilized by developers and businesses to facilitate transactions and interactions on the blockchain. The vulnerability impacts the txpool_content method, which returns all pending transactions, thus exposing sensitive information to unauthorized entities.
The vulnerability allows malicious actors to exploit exposed methods such as txpool_content for nefarious activities. These activities include frontrunning attacks, in which attackers execute trades immediately before another transaction after observing it in the mempool, and sandwich attacks, where buy and sell orders are placed around a victim's trade. Such actions can be used to exploit Maximal Extractable Value (MEV), which significantly affects the fair distribution of resources in blockchain networks.
Technical details reveal that the vulnerability involves the txpool_content method in blockchain RPC endpoints, which outputs all pending transactions, sender addresses, transaction data, gas prices, and values. This exposure occurs at JSON-RPC endpoints that haven't disabled txpool features, which are often unintendedly left open in misconfigured systems. The method's accessibility allows extraction of pending transactions from the mempool, thus providing real-time data about impending transaction executions.
Exploitation of this vulnerability leads to immediate effects such as financial losses due to manipulated transactions performed faster than the victim's original transaction. Other potential impacts include market manipulation through MEV exploitation, degrading user trust in blockchain networks, and enabling pervasive surveillance of user activity in the DeFi space. The exposure detrimentally influences the integrity and security ethos of blockchain platforms.
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