CPP-Ethereum JSON-RPC Denial Of Service Vulnerabilities(CVE-2017-12119)

Summary An exploitable unhandled exception vulnerability exists in multiple APIs of CPP-Ethereum's JSON-RPC. Specially crafted JSON requests can cause a unhandled exception resulting in denial of service. An attacker can send malicious JSON to trigger this vulnerability. Tested Versions Ethereum...

Parity Browser < 1.6.10 - Bypass Same Origin Policy

VuNote ====== Author: Ref: https://github.com/tintinweb/pub/tree/master/pocs/cve-2017-18016 Version: 0.3 Date: Jun 16th, 2017 Tag: parity same origin policy bypass webproxy token reuse Overview -------- Name: parity Vendor: paritytech References: https://parity.io/ 1 Version: 1.6.8 Latest Version...

Vulnerability Spotlight: Multiple Vulnerabilities in the CPP and Parity Ethereum Client

Vulnerabilities discovered by Marcin Noga of Cisco Talos. Overview Talos is disclosing the presence of multiple vulnerabilities in the CPP and the Parity Ethereum clients. TALOS-2017-0503 / CVE-2017-14457 describes a denial of service vulnerability and potential memory leak in libevm. The functio...

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 miner_setEtherbase improper authorization Vulnerability

Summary An exploitable improper authorization vulnerability exists in minersetEtherbase 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 t...

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...

CPP-Ethereum JSON-RPC admin_nodeInfo improper authorization Vulnerability

Summary An exploitable improper authorization vulnerability exists in adminnodeInfo 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...

CPP-Ethereum libevm create2 Information Leak Vulnerability

Summary An exploitable information leak / denial of service vulnerability exists in the libevm Ethereum Virtual Machine create2 opcode handler of CPP-Ethereum. A specially crafted smart contract code can cause an out-of-bounds read leading to memory disclosure or denial of service. An attacker ca...

CPP-Ethereum JSON-RPC miner_setGasPrice improper authorization Vulnerability

Summary An exploitable improper authorization vulnerability exists in minersetGasPrice 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 admin_peers improper authorization Vulnerability

Summary An exploitable improper authorization vulnerability exists in adminpeers 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 trigg...

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...

CPP-Ethereum JSON-RPC miner_start improper authorization Vulnerability

Summary An exploitable improper authorization vulnerability exists in minerstart 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 trigg...

CPP-Ethereum JSON-RPC Denial Of Service Vulnerabilities

Summary An exploitable unhandled exception vulnerability exists in multiple APIs of CPP-Ethereum’s JSON-RPC. Specially crafted JSON requests can cause a unhandled exception resulting in denial of service. An attacker can send malicious JSON to trigger this vulnerability. Tested Versions Ethereum...

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-2017-16930)

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...

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...

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 ...