A malicious receiver can cause another receiver to lose out on distributed fees by returning false for tokensReceived when receiveRewards is called on their receiver contract.

Handle janbro Vulnerability details Summary A malicious receiver can cause another receiver to lose out on distributed fees by returning false for tokensReceived when receiveRewards is called on their receiver contract. Risk Rating Medium Vulnerability Details A malicious receiver can cause anoth...

Electric Coin Company Zcashd Security Breach

Zcash is a decentralized open source data currency. Electric Coin Company Zcashd before 2.1.1-1 suffers from a security vulnerability that allows an attacker to trigger a consensus failure and double spend...

Agoric: Improper Input Validation allows an attacker to "double spend" or "respend", violating the integrity of the message command history or causing DoS

Summary: Improper Input Validation allows an attacker to "double spend" or "respend", violating the integrity of the message command history or causing DoS Steps To Reproduce: I was curling random integers and found that I could do the following: json "type":"doEval","number":500,"body":"test"...

Ledger SAS Live Code Issue Vulnerability

Ledger SAS Live is a cryptocurrency wallet product from the French company Ledger SAS. A security vulnerability exists in Ledger SAS Live versions prior to 2.7.0. Unprocessed Bitcoin's Replacement of Fees RBF, which increases a user's balance with the value of an unconfirmed transaction immediate...

Ethereum Classic (ETC) Hit by Double-Spend Attack Worth $1.1 Million

Popular cryptocurrency exchange Coinbase has suspended all transactions of Ethereum Classic ETC—the original unforked version of the Ethereum network—on their trading platforms, other products and services after detecting a potential attack on the cryptocurrency network that let someone spend the...

Ethereum Classic (ETC) Hit by Double-Spend Attack Worth $1.1 Million

Popular cryptocurrency exchange Coinbase has suspended all transactions of Ethereum Classic ETC—the original unforked version of the Ethereum network—on their trading platforms, other products and services after detecting a potential attack on the cryptocurrency network that let someone spend the...

[ASA-201809-2] bitcoin-qt: denial of service

Arch Linux Security Advisory ASA-201809-2 ========================================= Severity: Medium Date : 2018-09-22 CVE-ID : CVE-2018-17144 Package : bitcoin-qt Type : denial of service Remote : Yes Link : https://security.archlinux.org/AVG-766 Summary ======= The package bitcoin-qt before...

Bitcoin Gold loses over $18 million after hack attack

By Waqas Hackers are conducting Double Spend attack on cryptocurrency exchanges and the This is a post from HackRead.com Read the original post: Bitcoin Gold loses over $18 million after hack attack...

Coinbase: Potential for Double Spend via Sign Message Utility

Hi, There is an unlikely but theoretically exploitable vulnerability is caused by allowing users to sign messages with their addresses. So far I have not been able to exploit this, but I believe that it is exploitable. On coinbse.com, the user can see a list of their addresses here. When they cli...