CPP-Ethereum libevm pow2N Code Execution Vulnerability

Summary An exploitable out-of-bounds read vulnerability exists in libevm Ethereum Virtual Machine of CPP-Ethereum. A specially crafted smart contract code can cause an out-of-bounds read which can subsequently trigger an out-of-bounds write resulting in remote code execution. An attacker can...

CPP-Ethereum JSON-RPC admin_addPeer Authorization Bypass Vulnerability

Summary An exploitable improper authorization vulnerability exists in adminaddPeer API of cpp-ethereum’s JSON-RPC commit 4e1015743b95821849d001618a7ce82c7c073768. A JSON request can cause an access to the restricted functionality resulting in authorization bypass. An attacker can send JSON to...

Parity Ethereum Client Overly Permissive Cross-domain Whitelist JSON-RPC vulnerability

Summary An exploitable overly permissive cross-domain CORS whitelist vulnerability exists in JSON-RPC of Parity Ethereum client version 1.7.8. An automatically sent JSON object to JSON-RPC endpoint can trigger this vulnerability. A victim needs to visit malicious website to trigger this...

CPP-Ethereum JSON-RPC miner_stop improper authorization Vulnerability

Summary An exploitable improper authorization vulnerability exists in minerstop API of cpp-ethereum’s JSON-RPC commit 4e1015743b95821849d001618a7ce82c7c073768. A JSON request can cause an access to the restricted functionality resulting in authorization bypass. An attacker can send JSON to trigge...

Coinbase: Ethereum account balance manipulation

The researchers noticed an issue with our ETH receiving code when receiving from a contract. This allowed sending of ETH to Coinbase to be credited even if the underlying contract execution failed. The issue was fixed by changing the contract handling logic. Analysis of the issue indicated only...

EtherDelta cryptocurrency exchange hacked in fake website scam

By Waqas Cybercriminals have their eyes set on mining cryptocurrencies and exploiting This is a post from HackRead.com Read the original post: EtherDelta cryptocurrency exchange hacked in fake website scam...

Claymore's Dual Ethereum Miner unauth stack buffer overflow(CVE-2017-16929)

VuNote =================== Author: Ref: https://github.com/tintinweb/pub/tree/master/pocs/cve-2017-16929 Version: 0.2 Date: Nov 30th, 2017 Tag: claymore dual ethereum decred crypto currency miner Overview -------- Name: Claymore's Dual ETH + DCR/SC/LBC/PASC GPU Miner Vendor: nanopool/claymore...

Claymore Dual Miner 10.1 Stack Buffer Overflow Vulnerability

Claymore's Dual ETH + DCR/SC/LBC/PASC GPU Miner versions 10.1 and below suffer from a stack buffer overflow vulnerability. Author: Ref: https://github.com/tintinweb/pub/tree/master/pocs/cve-2017-16929 Version: 0.2 Date: Nov 30th, 2017 Tag: claymore dual ethereum decred crypto currency miner...

Claymore's Dual Ethereum Miner unauth stack buffer overflow(CVE-2017-16930)

VuNote =================== Author: Ref: https://github.com/tintinweb/pub/tree/master/pocs/cve-2017-16930 Version: 0.2 Date: Nov 30th, 2017 Tag: claymore dual ethereum decred crypto currency miner Overview -------- Name: Claymore's Dual ETH + DCR/SC/LBC/PASC GPU Miner Vendor: nanopool/claymore...

Blockchain technology: not just for cryptocurrency

Imagine a place where you can safely store all your personal information and only you decide who has access to it. You can choose which parts of that information you want to share, and you can just as easily revoke that access. If this place ever comes into existence, I am willing to bet it will ...

Claymore's Dual Miner 10.1 Stack Buffer Overflow

Author: Ref: https://github.com/tintinweb/pub/tree/master/pocs/cve-2017-16929 Version: 0.2 Date: Nov 30th, 2017 Tag: claymore dual ethereum decred crypto currency miner Overview Name: Claymore's Dual ETH + DCR/SC/LBC/PASC GPU Miner Vendor: nanopool/claymore References:...

ethereumfaucet.info XSS vulnerability

Open Bug Bounty ID: OBB-417577 Description| Value ---|--- Affected Website:| ethereumfaucet.info Open Bug Bounty Program:| Create your bounty program now. It's open and free. Vulnerable Application:| Custom Code Vulnerability Type:| XSS Cross Site Scripting / CWE-79 CVSSv3 Score:| 6.1...

Hundreds of Millions in Digital Currency Remains Frozen

Between $150 million and $300 million in digital currency called ether remains inaccessible today after a user said he “accidentally” triggered a vulnerability that froze the funds in the popular Parity wallet. Parity Technologies issued an advisory warning users about the flaw in the Parity Wall...

Oh, Crap! Someone Accidentally Triggered A Flaw That Locked Up $280 Million In Ethereum

Horrible news for some Ethereum users. About $300 million worth of Ether—the cryptocurrency unit that has become one of the most popular and increasingly valuable cryptocurrencies—from dozens of Ethereum wallets was permanently locked up today. Smart contract coding startup Parity Technologies,...

Learn Ethereum Development – Build Decentralized Blockchain Apps

As of today — 1 Bitcoin = $7300 USD Approx 471,000 INR At the beginning of this year, 1 Bitcoin was approximately equal to $1000, and now it has surged to a new height, marking its market capitalization at over $124 billion. Is it really too late to invest in Bitcoin or other cryptocurrencies lik...

EtherParty Breach: Another Ethereum ICO Gets Hacked

Etherparty announced Sunday that its ICO Initial Coin Offering website selling tokens for a blockchain-based smart contract tool was hacked and the address for sending funds to buy tokens was replaced by a fraudulent address controlled by the hackers. Vancouver-based Etherparty is a smart contrac...

China Bans Fundraising Through Initial Coin Offering (ICO)

China's central bank today announced an immediate ban on all ICO—Initial Coin Offering—fundraising, to prevent fraud and illegal fundraising. ICO is the hottest new thing in the blockchain world, which is an alternative to crowdfunding that lets a firm raise funding from multiple sources. The...

Enigma Marketplace Hacked; $500,000 in Ethereum Stolen

By Waqas On August 20th, Enigma, a decentralized marketplace and cryptocurrency investment This is a post from HackRead.com Read the original post: Enigma Marketplace Hacked; $500,000 in Ethereum Stolen...

Warning: Enigma Hacked; Over $470,000 in Ethereum Stolen So Far

More Ethereum Stolen! An unknown hacker has so far stolen more than $471,000 worth of Ethereum—one of the most popular and increasingly valuable cryptocurrencies—in yet another Ethereum hack that hit the popular cryptocurrency investment platform, Enigma. According to an announcement made on thei...

Microsoft Launches Ethereum-Based 'Coco Framework' to Speed Up Blockchain Network

A growing number of enterprises are showing their interest in blockchains, but the underlying software fails to meet key enterprise requirements like performance, confidentiality, governance, and required processing power. However, Microsoft wants to help solve these issues and make it easier for...