CVE-2021-41135

The Cosmos-SDK is a framework for building blockchain applications in Golang. Affected versions of the SDK were vulnerable to a consensus halt due to non-deterministic behaviour in a ValidateBasic method in the x/authz module. The MsgGrant of the x/authz module contains a Grant field which includ...

Authorization

The Cosmos-SDK is a framework for building blockchain applications in Golang. Affected versions of the SDK were vulnerable to a consensus halt due to non-deterministic behaviour in a ValidateBasic method in the x/authz module. The MsgGrant of the x/authz module contains a Grant field which includ...

CVE-2021-41135 Authz Module Non-Determinism

The Cosmos-SDK is a framework for building blockchain applications in Golang. Affected versions of the SDK were vulnerable to a consensus halt due to non-deterministic behaviour in a ValidateBasic method in the x/authz module. The MsgGrant of the x/authz module contains a Grant field which includ...

CVE-2021-41135

Summary: CVE-2021-41135 affects the Cosmos-SDK’s x/authz module where Grant.ValidateBasic() non-deterministically compares the grant expiration time to the node clock, enabling a chain with the authz feature enabled to halt via crafted transactions. This is reported for affected SDK versions, wit...

Proof-of-Stake (PoS) Ethereum consensus 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...

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...

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...

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...

museblockchain.com Improper Access Control vulnerability OBB-2176940

Following the coordinated and responsible vulnerability disclosure guidelines of the ISO 29147 standard, Open Bug Bounty has: a. verified the vulnerability and confirmed its existence; b. notified the website operator about its existence. Technical details of the vulnerability are currently hidde...

Critical Flaw in OpenSea Could Have Let Hackers Steal Cryptocurrency From Wallets

A now-patched critical vulnerability in OpenSea, the world's largest non-fungible token NFT marketplace, could've been abused by malicious actors to drain cryptocurrency funds from a victim by sending a specially-crafted token, opening a new attack vector for exploitation. The findings come from...

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...

CVE-2021-25460

An improper access control vulnerability in sspExit in BlockchainTZService prior to SMR Sep-2021 Release 1 allows attackers to terminate BlockchainTZService...

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...