The tradeRifle Vulnerability Identified in Huobi OTC Service (CVE-2018–13149)

Figure 1: Normal Fiat-to-Crypto Transaction
Figure 2: MITM Attack for Fabricating Seller’s Bank Info
Figure 3: Buyer’s Query for Seller’s Bank Account Info
Figure 4: JSON-Format Seller’s Bank Account Info
Figure 5: Seller’s Payment Received Confirmation Request
Figure 6: Replay Attack for Impersonating the Seller

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