EUVD-2012-1918

Malware in sbrugna...

SPV Merkle proof malleability allows the maintainer to prove invalid transactions

Summary By publishing specially crafted transactions on the Bitcoin blockchain, the SPV maintainer can produce seemingly valid SPV proofs for fraudulent transactions. The issue was originally identified by Least Authority in the tBTC Bridge V2 Security Audit Report as Issue B: Bitcoin SPV Merkle...

CVE-2012-1909

The Bitcoin protocol, as used in bitcoind before 0.4.4, wxBitcoin, Bitcoin-Qt, and other programs, does not properly handle multiple transactions with the same identifier, which allows remote attackers to cause a denial of service unspendable transaction by leveraging the ability to create a...