Proof-Of-Stake 安全漏洞

Proof-Of-Stake is a consensus mechanism used by the Ethereum Foundation's blockchain network to achieve distributed consensus. Proof-of-Stake PoS Ethereum consensus has a security vulnerability, the exploitation of which can lead to denial-of-service attacks...

Specification non-compliance in JUMPI

Impact In evm crate 0.31.0, JUMPI opcode's condition is checked after the destination validity check. However, according to Geth and OpenEthereum, the condition check should happen before the destination validity check. Patches This is a high severity security advisory if you use evm crate for...

GHSA-PVH2-PJ76-4M96 Specification non-compliance in JUMPI

Impact In evm crate 0.31.0, JUMPI opcode's condition is checked after the destination validity check. However, according to Geth and OpenEthereum, the condition check should happen before the destination validity check. Patches This is a high severity security advisory if you use evm crate for...

CVE-2021-41153

The evm crate is a pure Rust implementation of Ethereum Virtual Machine. In evm crate 0.31.0, JUMPI opcode's condition is checked after the destination validity check. However, according to Geth and OpenEthereum, the condition check should happen before the destination validity check. This is a...

Design/Logic Flaw

The evm crate is a pure Rust implementation of Ethereum Virtual Machine. In evm crate 0.31.0, JUMPI opcode's condition is checked after the destination validity check. However, according to Geth and OpenEthereum, the condition check should happen before the destination validity check. This is a...

CVE-2021-41153

The evm crate (Rust Ethereum VM)

CVE-2021-41153 Specification non-compliance in JUMPI

The evm crate is a pure Rust implementation of Ethereum Virtual Machine. In evm crate 0.31.0, JUMPI opcode's condition is checked after the destination validity check. However, according to Geth and OpenEthereum, the condition check should happen before the destination validity check. This is a...

evm crate 安全漏洞

evm crate is a Rust Ethereum virtual machine implementation. A security vulnerability exists in evm crate that stems from a condition in evm crate where the JUMPI opcode is checked after a destination validity check...

Incorrect checking of signature length

Handle JMukesh Vulnerability details Impact signature which have SignatureMode.EthSign/SignatureMode.EIP712 have length 65 , so all signature coming through both mode will be reverted Proof of Concept Tools Used manual review Recommended Mitigation Steps update the correct signature length --- Th...

cancel() calculates hashTx in the wrong way

Handle gpersoon Vulnerability details Impact The function cancel of contract QuickAccManager uses the wrong way to calculate the hash that has to be cancelled. It uses: "bytes32 hashTx = keccak256abi.encodeaddressthis, block.chainid, accHash, nonce, txns;" Where it should use "bytes32 hash =...

GHSA-VJ62-G63V-F8MF Validity check missing in Frontier

Impact In the newly introduced signed Frontier-specific extrinsic for pallet-ethereum, a large part of transaction validation logic was only called in transaction pool validation, but not in block execution. Malicious validators can take advantage of this to put invalid transactions into a block...

CVE-2021-41138

Frontier is Substrate's Ethereum compatibility layer. In the newly introduced signed Frontier-specific extrinsic for pallet-ethereum, a large part of transaction validation logic was only called in transaction pool validation, but not in block execution. Malicious validators can take advantage of...

CVE-2021-41138

Frontier is Substrate's Ethereum compatibility layer. In the newly introduced signed Frontier-specific extrinsic for pallet-ethereum, a large part of transaction validation logic was only called in transaction pool validation, but not in block execution. Malicious validators can take advantage of...

CVE-2021-41138

Frontier is Substrate's Ethereum compatibility layer. In the newly introduced signed Frontier-specific extrinsic for pallet-ethereum, a large part of transaction validation logic was only called in transaction pool validation, but not in block execution. Malicious validators can take advantage of...

Input validation

Frontier is Substrate's Ethereum compatibility layer. In the newly introduced signed Frontier-specific extrinsic for pallet-ethereum, a large part of transaction validation logic was only called in transaction pool validation, but not in block execution. Malicious validators can take advantage of...

CVE-2021-41138 Validity check for signed Frontier-specific extrinsic not called in block execution

Frontier is Substrate's Ethereum compatibility layer. In the newly introduced signed Frontier-specific extrinsic for pallet-ethereum, a large part of transaction validation logic was only called in transaction pool validation, but not in block execution. Malicious validators can take advantage of...

CVE-2021-41138

CVE-2021-41138 concerns Frontier, Substrate’s Ethereum compatibility layer. A signed Frontier-specific extrinsic for pallet-ethereum caused many validation checks to run only during transaction pool validation, not during block execution, allowing malicious validators to include invalid transacti...

OpenSea ‘Free Gift’ NFTs Drain Cryptowallet Balances

Users of OpenSea, the world’s largest digital-collectible marketplace, have found their cryptocurrency wallets ripped off thanks to cyberattackers weaponizing security bugs that allowed them to highjack user accounts. The attacks revolved around boobytrapped art files, which circulated in the for...

Frontier 输入验证错误漏洞

Frontier is an EtherCompatible layer for Substrate. It is used to run unmodified ethereum dapps. Frontier suffers from an input validation error vulnerability, which stems from the fact that a large portion of the transaction validation logic in the recently introduced signed Frontier-specific...

Vyper 缓冲区错误漏洞

Vyper is the Pythonic smart contract language for EVM. Vyper suffers from a buffer error vulnerability that stems from an incorrect pointer to the top of the stack, which can lead to memory corruption issues...