Bitcoin wxBitcoin/bitcoind Integer Overflow Vulnerability

An integer overflow vulnerability exists in Bitcoin wxBitcoin and bitcoind versions prior to 0.3.11. A remote attacker could exploit this vulnerability to bypass economic restrictions and create many bitcoins via specially crafted Bitcoin transactions...

Bitcoin wxBitcoin/bitcoind Denial of Service Vulnerability

A vulnerability exists in Bitcoin wxBitcoin and bitcoind versions prior to 0.3.5. A remote attacker could use this vulnerability to cause a denial of service daemon crash via a Bitcoin transaction containing the OPLSHIFT script opcode...

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...

CVE-2020-12119

Ledger Live before 2.7.0 does not handle Bitcoin's Replace-By-Fee RBF. It increases the user's balance with the value of an unconfirmed transaction as soon as it is received before the transaction is confirmed and does not decrease the balance when it is canceled. As a result, users are exposed t...

CVE-2020-12119

Ledger Live before version 2.7.0 is affected by an RBF handling flaw: unconfirmed Bitcoin transactions are credited to the user’s balance upon receipt and not deducted if canceled, enabling basic and amplified double-spending and potential DoS attacks without user consent. The vulnerability is do...

CVE-2020-12119

Ledger Live before 2.7.0 does not handle Bitcoin's Replace-By-Fee RBF. It increases the user's balance with the value of an unconfirmed transaction as soon as it is received before the transaction is confirmed and does not decrease the balance when it is canceled. As a result, users are exposed t...

Bitcoin Core and Bitcoin Knots Security Vulnerabilities

Bitcoin Core is an open source client for verifying the validity of blockchain transactions. Bitcoin Knots is a complete Bitcoin client. A security vulnerability exists in Bitcoin Core and Bitcoin Knots. An attacker can exploit the vulnerability to cause a denial of service application crash with...

UCSF Pays $1.14M After NetWalker Ransomware Attack

The University of California, San Francisco UCSF has paid a $1.14 million ransom to recover data related to “important” academic work. The data was encrypted after the NetWalker ransomware reportedly hit the UCSF medical school. The UCSF, which includes a medical school and a medical center UCSF...

Z-NOMP Security Vulnerabilities

Z-NOMP is a suite of node open bitcoin mining software. A security vulnerability exists in versions of Z-NOMP prior to 2018-04-05...

CVE-2020-14199

BIP-143 in the Bitcoin protocol specification mishandles the signing of a Segwit transaction, which allows attackers to trick a user into making two signatures in certain cases, potentially leading to a huge transaction fee. NOTE: this affects all hardware wallets. It was fixed in 1.9.1 for the...

Design/Logic Flaw

BIP-143 in the Bitcoin protocol specification mishandles the signing of a Segwit transaction, which allows attackers to trick a user into making two signatures in certain cases, potentially leading to a huge transaction fee. NOTE: this affects all hardware wallets. It was fixed in 1.9.1 for the...

CVE-2020-14199

The CVE-2020-14199 issue is a BIP-143 signing mishandling in the Bitcoin protocol that can mislead users into producing two signatures during Segwit transactions. Affected products are Trezor One firmware before 1.9.1 and Trezor Model T firmware before 2.3.1; these devices have firmware updates t...

Fake version of note sharing site Privnote.com stealing users’ Bitcoin

By Waqas A fake version of popular encrypted messages web service Privnote.com that’s redirecting user’s cryptocurrency to scammers. This is a post from HackRead.com Read the original post: Fake version of note sharing site Privnote.com stealing users’ Bitcoin...

Privnotes.com Is Phishing Bitcoin from Users of Private Messaging Service Privnote.com

For the past year, a site called Privnotes.com has been impersonating Privnote.com, a legitimate, free service that offers private, encrypted messages which self-destruct automatically after they are read. Until recently, I couldn't quite work out what Privnotes was up to, but today it became...

YouTube scammers impersonated Elon Musk, SpaceX; stole $150k in BTC

By Deeba Ahmed Scammers successfully tricked viewers in to sending a small amount of Bitcoin and get double in return. This is a post from HackRead.com Read the original post: YouTube scammers impersonated Elon Musk, SpaceX; stole $150k in BTC...

Florence, Ala. Hit By Ransomware 12 Days After Being Alerted by KrebsOnSecurity

In late May, KrebsOnSecurity alerted numerous officials in Florence, Ala. that their information technology systems had been infiltrated by hackers who specialize in deploying ransomware. Nevertheless, on Friday, June 5, the intruders sprang their attack, deploying ransomware and demanding nearly...

Clever Phishing Attack Bypasses MFA to Nab Microsoft Office 365 Credentials

A new phishing campaign can bypass multi-factor authentication MFA on Office 365 to access victims’ data stored on the cloud and use it to extort a Bitcoin ransom or even find new victims to target, security researchers have found. Researchers at Cofense Phishing Defense Center discovered the...

Electrum Python Console Security Vulnerability

Electrum is a lightweight Bitcoin client software, and Python console is one of the Python console programs.A security vulnerability exists in the Python console in Electrum versions 2.9.4 and earlier, and versions 3.x through 3.0.5. The vulnerability can be exploited by an attacker to steal...

PHP Scripts Mall Bitcoin MLM Software Cross-Site Scripting Vulnerability

PHP Scripts Mall Bitcoin MLM Software is a PHP bitcoin management software from PHP Scripts Mall India.A cross-site scripting vulnerability exists in PHP Scripts Mall Bitcoin MLM Software version 1.0.2. A remote attacker can exploit this vulnerability to inject arbitrary web script or HTML...

Bitcoind and Bitcoin-Qt Bloom Filter Implementations for Input Validation

A denial of service vulnerability exists in the Bloom Filter implementation in Bitcoind and Bitcoin-Qt versions 0.8.x prior to 0.8.4rc1. A remote attacker can exploit this vulnerability to cause a denial of service except for zero errors and process crashes via a specially crafted message sequenc...