PT-2021-16650 · Unknown · Blockchaintzservice

Name of the Vulnerable Software and Affected Versions: BlockchainTZService versions prior to SMR Sep-2021 Release 1 Description: The issue is related to an improper access control in the sspExit function within BlockchainTZService, allowing attackers to terminate the service. Recommendations: For...

Possible miner incentive for chain reorgs if ETHBlockDelay is too small

Handle tensors Vulnerability details Impact If ETHBlockDelay is too small and the incentive for miners is large enough, it would profitable for miners to attempt to double spend by depositing assets, waiting for confirmation on the cosmos-SDK and then reorging the blockchain. Although an attack...

DOS by Frontrunning NoteERC20 initialize() Function

Handle leastwood Vulnerability details Impact The scripts/ folder outlines a number of deployment scripts used by the Notional team. Some of the contracts deployed utilise the ERC1967 upgradeable proxy standard. This standard involves first deploying an implementation contract and later a proxy...

HolesWarm Malware Exploits Unpatched Windows, Linux Servers

By leveraging more than 20 known vulnerabilities in Linux and Windows servers, the HolesWarm cryptominer malware has been able to break into more than 1,000 cloud hosts just since June. The basic cryptominer botnet has been so successful at juggling so many different known vulnerabilities between...

New Anti Anti-Money Laundering Services for Crooks

A new dark web service is marketing to cybercriminals who are curious to see how their various cryptocurrency holdings and transactions may be linked to known criminal activity. Dubbed "Antinalysis," the service purports to offer a glimpse into how ones payment activity might be flagged by law...

Crypto Hack Earned Crooks $600 Million

Attackers reportedly stole $600 million from the cryptocurrency platform Poly Network, in what experts say is one of the largest crypto heists to date. Poly Network, a decentralized finance DeFi platform based in China, publicly acknowledged that an attacker “exploited a vulnerability” that allow...

Hackers Steal Over $600 Million Worth of Cryptocurrencies from Poly Network

Hackers have siphoned $611 million worth of cryptocurrencies from a blockchain-based financial network in what's believed to be one of the largest heists targeting the digital asset industry, putting it ahead of breaches targeting exchanges Coincheck and Mt. Gox in recent years. Poly Network, a...

Users Can Be Just As Dangerous As Hackers

Among the problems stemming from our systemic failure with cybersecurity, which ranges from decades-old software-development practices to Chinese and Russian cyber-attacks, one problem gets far less attention than it should—the insider threat. But the reality is that most organizations should be ...

Sifchain: ETHEREUM_PRIVATE_KEY leaked via github

ETHEREUMPRIVATEKEY It is used to sign Ethereum transactions on the Blockchain. Steps To Reproduce: Open this url https://github.com/Sifchain/sifnode/blob/f96727748e1f44926d3bd72b1021f6c2461dee17/test/integration/start-integration-env.sh POC - screenshot attached Impact It shouldn’t be publicly...

[Bug] A critical bug in bps function

Handle hrkrshnn Vulnerability details A critical bug in bps function: PoolBase.sol function bps internal pure returns IERC20 rt // These fields are not accessible from assembly bytes memory array = msg.data; uint256 index = msg.data.length; // solhint-disable-next-line no-inline-assembly assembly...

Disrupting Ransomware by Disrupting Bitcoin

Ransomware isnt new; the idea dates back to 1986 with the "Brain" computer virus. Now, its become the criminal business model of the internet for two reasons. The first is the realization that no one values data more than its original owner, and it makes more sense to ransom it back to them --...

Xuperchain has an unspecified vulnerability

Xuperchain is an application. It provides a blockchain infrastructure to build compliant blockchain network functions. version 3.6.0 of Xuperchain contains a security vulnerability that could be exploited by an attacker to obtain partial signatures in order to recover the private key of an...

Cryptominer Farm Rigged with 3,800 PS4s Busted in Ukraine

Authorities in Ukraine have made another cybersecurity bust — this time shutting down what they said is one of the largest underground cryptomining operations ever found. The ring was apparently run by stringing together 3,800 Sony PlayStation 4 PS4 gaming consoles. Cryptominers serve as auditors...

Signature replay attacks are possible if a user's transactionId is not unique

Handle shw Vulnerability details Impact If a user's two transactions can have the same transactionId while their router addresses differ, then the fulfill and cancel signatures for one of the transaction is replayable on the other. Proof of Concept The only transaction-related data in the...

CVE-2021-35041

The blockchain node in FISCO-BCOS V2.7.2 may have a bug when dealing with unformatted packet and lead to a crash. A malicious node can send a packet continuously. The packet is in an incorrect format and cannot be decoded by the node correctly. As a result, the node may consume the memory...

CVE-2021-35041

The blockchain node in FISCO-BCOS V2.7.2 may have a bug when dealing with unformatted packet and lead to a crash. A malicious node can send a packet continuously. The packet is in an incorrect format and cannot be decoded by the node correctly. As a result, the node may consume the memory...

Format string

The blockchain node in FISCO-BCOS V2.7.2 may have a bug when dealing with unformatted packet and lead to a crash. A malicious node can send a packet continuously. The packet is in an incorrect format and cannot be decoded by the node correctly. As a result, the node may consume the memory...

CVE-2021-35041

The blockchain node in FISCO-BCOS V2.7.2 may have a bug when dealing with unformatted packet and lead to a crash. A malicious node can send a packet continuously. The packet is in an incorrect format and cannot be decoded by the node correctly. As a result, the node may consume the memory...

CVE-2021-35041

CVE-2021-35041 affects the FISCO-BCOS blockchain node (V2.7.2). The root cause is a bug in handling unformatted/incorrectly formatted packets, allowing a malicious node to repeatedly send crafted packets that the node cannot decode, causing sustained memory consumption and a crash (availability i...

FISCO BCOS 输入验证错误漏洞

FISCO BCOS is a blockchain underlying platform. FISCO-BCOS suffers from an input validation error vulnerability that stems from a possible bug in the blockchain node's handling of unformatted packets, which can lead to a crash...