brawl-public-game-001

BRAWL One of the challenging problems for cyber security researchers developing detection and response capabilities is finding a realistic environment in which to test their hypothesis and capabilities. The cheapest method is to test capabilities on a small lab network. But this environment is...

Cross site scripting

Hyperledger Fabric is an open source permissioned distributed ledger framework. Combining two molecules to one another, called "cross-linking" results in a molecule with a chemical formula that is composed of all atoms of the original two molecules. In Fabric, one can take a block of transactions...

CVE-2023-46132

CVE-2023-46132 describes a cross-linking attack against Hyperledger Fabric blocks where transaction encodings can be manipulated without changing the block hash. The connected documents provide concrete technical details and fixes: Fabric blocks hash transactions by naive concatenation, allowing ...

PT-2023-29865 · Unknown · Hyperledger Fabric

Name of the Vulnerable Software and Affected Versions: Hyperledger Fabric versions prior to 2.2.14 and 2.5.5 Description: The issue arises from the way Hyperledger Fabric hashes transactions in a block, which allows an adversary to manipulate the transactions without changing the computed hash of...