CVE-2025-25500

An issue in CosmWasm prior to v2.2.0 allows attackers to bypass capability restrictions in blockchains by exploiting a lack of runtime capability validation. This allows attackers to deploy a contract without capability enforcement, and execute unauthorized actions on the blockchain...

Hackers Drain $1.48 Billion from Crypto in 2024, Led by DeFi Exploits

Hackers stole $1.48 billion from the crypto industry in 2024. A new report highlights trends in blockchain security, including shifts in target networks...

MAL-2024-4354 Malicious code in Bloсkcоrе.Netwоrks.Stratis (NuGet)

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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 ...

MAL-2023-133 Malicious code in binance-prices (npm)

--- -= Per source details. Do not edit below this line.=- Source: checkmarx 4342ae24f59df91323155ce0522347b014b90b17d911aece62534aa4975cc006 Lazarus Group targeting blockchain and cryptocurrency companies by exploiting software supply chains through malicious npm packages and social engineering...

Malicious code in elliptic-parser (npm)

--- -= Per source details. Do not edit below this line.=- Source: checkmarx 0ffc8361769988057a4d6c1f79b5cdcf930ac38ce3f5243cd2af71837be266c1 Lazarus Group targeting blockchain and cryptocurrency companies by exploiting software supply chains through malicious npm packages and social engineering...

Use of msg.sender in mayInteract Modifier

Lines of code Vulnerability details Impact The use of msg.sender in the mayInteract modifier in the contract. I have identified a potential vulnerability in the use of msg.sender. In this case, the vulnerability is caused by using msg.sender to authorize interactions with the contract. Since...

Tray tile characterIndex values (via PRNG) can be manipulated by miners

Lines of code Vulnerability details Impact By manipulating the ordering of transactions in blocks, miners could manipulate the characterIndex values of a Tray's tiles. This could result in miners being able to specifically select characterIndex values that they want for specific Tray tiles, rathe...

OpenZeppelin 安全漏洞

OpenZeppelin is a software application. A standard for secure blockchain applications. A security vulnerability exists in OpenZeppelin Contracts that stems from an amount overflowing during transmission...

6 of the Best Crypto Bug Bounty Programs

By Waqas Crypto bug bounty programs have become essential as the number of blockchain platforms grows exponentially, making it increasingly difficult for developers to keep up with all the necessary security protocols on their own. This is a post from HackRead.com Read the original post: 6 of the...

BitKeep Confirms Cyber Attack, Loses Over $9 Million in Digital Currencies

Decentralized multi-chain crypto wallet BitKeep on Wednesday confirmed a cyber attack that allowed threat actors to distribute fraudulent versions of its Android app with the goal of stealing users' digital currencies. "With maliciously implanted code, the altered APK led to the leak of user's...

Hyperledger: DOS validator nodes of blockchain to block external connections

Attack was documented in the in the github repo: https://github.com/hyperledger/indy-node/security/advisories/GHSA-x996-7qh9-7ff7 Attack: The attacker sends 500 read requests to each node and opens a new one when holding 500 parallel connections. Every user is able to send read requests since it'...

Information disclosure

An inflation issue was discovered in Chia Network CAT1 Standard 1.0.0. Previously minted tokens minted on the Chia blockchain using the CAT1 standard can be inflated to an arbitrary extent by any holder of any amount of the token. The total amount of the token can be increased as high as the...

PYSEC-2022-43072

An inflation issue was discovered in Chia Network CAT1 Standard 1.0.0. Previously minted tokens minted on the Chia blockchain using the CAT1 standard can be inflated to an arbitrary extent by any holder of any amount of the token. The total amount of the token can be increased as high as the...

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...

New ceoAnyone Bug Identified in Multiple Crypto Game Smart Contracts (CVE-2018-11329)

Our vulnerability-scanning system at PeckShield has so far discovered several dangerous smart contract vulnerabilities batchOverflow1, proxyOverflow2, transferFlaw3, ownerAnyone4, multiOverflow5, burnOverflow6. These vulnerabilities typically affect various tokens that may be publicly traded in...

Aurora IDEX Membership(IDXM), ERC20 Token, allows attackers to acquire contract ownership (CVE-2018–10666)

Abstract I found a new vulnerability in smart contract of IDXM Token CVE-2018–106661. Attackers can acquire contract ownership because the setOwner function is delcared as public. A new owner can subsequently bypass intended access restrictions by, for example, calling uploadBalances. Details In...

CVE-2018-12703

The approveAndCallcode function of a smart contract implementation for Block 18 18T, an tradable Ethereum ERC20 token, allows attackers to steal assets e.g., transfer the contract's balances into their account because the callcode i.e., spender.callextraData is not verified, aka the "evilReflex"...

Critical RCE Flaw Discovered in Blockchain-Based EOS Smart Contract System

Security researchers have discovered a series of new vulnerabilities in EOS blockchain platform, one of which could allow remote hackers to take complete control over the node servers running the critical blockchain-based applications. EOS is an open source smart contract platform, known as...