CVE-2018-13536

The CVE-2018-13536 entry concerns ERC20_ICO: mintToken in the smart contract exhibits an integer overflow. This weakness allows the contract owner to arbitrarily set any user’s balance. Affected component: mintToken in the ERC20_ICO contract. Root cause: integer overflow in the balance assignment...

Bugged Smart Contract FuturXE: How Could Someone Mess up with Boolean? (CVE-2018–12025)

Recently SECBIT team found a serious bug about the if condition in a deployed ERC20 smart contract called FuturXE FXE and here is the bugged part: //Function for transer the coin from one address to another function transferFromaddress from, address to, uint value returns bool success //checking...

Full Disclosure of Highly-Manipulatable, tradeTrap-Affected ERC20 Tokens in Multiple Top Exchanges(CVE-2018-11446)

Update: 2018-06-12 The BMB BMB contract 0x0e935e976a47342a4aee5e32ecf2e7b59195e82f is NOT affected by tradeTrap. We sincerely apology for mistakenly listing it as a vulnerable ERC20 token. Quoted from our last blog 1, “publicly tradable ERC-20 tokens have considerable high market value. Various...

Aurora IDEX Membership(IDXM), ERC20 Token, allows attackers to acquire contract ownership (CVE-2018–10666)

Abstract I found a new vulnerability in smart contract of IDXM Token CVE-2018–106661. Attackers can acquire contract ownership because the setOwner function is delcared as public. A new owner can subsequently bypass intended access restrictions by, for example, calling uploadBalances. Details In...

New evilReflex Bug Identified in Multiple ERC20 Smart Contracts (CVE-2018-12702, CVE-2018-12703)

Update: 2018-06-24 With swift, coordinated response from Huobi.pro, we appreciate the announcement 11 on suspending the deposits and withdrawals of affected tokens! Our vulnerability-scanning system at PeckShield has so far discovered several dangerous smart contract vulnerabilities batchOverflow...

erc20 contract KoreaShow bug(CVE-2018-10973)

An integer overflow in the transferMulti function of a smart contract implementation for KoreaShow, an Ethereum ERC20 token, allows attackers to accomplish an unauthorized increase of digital assets via crafted value parameters. Lets see where this issue is: function transferMultiaddress to,...

DimonCoin(FUD), ERC20 token, allows attackers to steal all victim’s balances (CVE-2018–11411)

Abstract I found a vulnerability of a smart contract for DimonCoinFUD, an Ethereum ERC20 token CVE-2018–114111. This vulnerability is exactly same with the UselessEthereumToken’s vulnerability2, 3. DimonCoin token also has the same vulnerable function which is transferFrom in UET token. Therefore...

CVE-2018-13202

The sell function of a smart contract implementation for MyBO, an Ethereum token, has an integer overflow in which "amount sellPrice" can be zero, consequently reducing a seller's assets...

EnterToken Integer Overflow Vulnerability

EnterToken is a tradable Ether ERC20 token. An integer overflow vulnerability exists in the sell function of EnterToken's smart contract implementation where "amount sellPrice" can be zero. An attacker could exploit this vulnerability to reduce the seller's assets...

Reimburse Token Integer Overflow Vulnerability

Reimburse Token REIM is a tradable Ether ERC20 token. An integer overflow vulnerability exists in the mintToken function of Reimburse Token's smart contract implementation. The vulnerability can be exploited by the contract owner to set the balance of any user to any value...

MODI Token Integer Overflow Vulnerability

MODI Token MODI is a tradable Ether ERC20 token. An integer overflow vulnerability exists in the mintToken function of MODI Token's smart contract implementation. The vulnerability can be exploited by the contract owner to set the balance of any user to any value...

CVE-2018-13041

The mint function of a smart contract implementation for Link Platform LNK, an Ethereum ERC20 token, has an integer overflow that allows the owner of the contract to set the balance of an arbitrary user to any value...

CVE-2018-13041

The mint function of a smart contract implementation for Link Platform LNK, an Ethereum ERC20 token, has an integer overflow that allows the owner of the contract to set the balance of an arbitrary user to any value...

CVE-2018-13041

The CVE-2018-13041 entry concerns Link Platform (LNK), an Ethereum ERC20 token. The vulnerability is an integer overflow in the mint function of the Link Platform smart contract, which can allow the contract owner to set the balance of an arbitrary user to any value. This is documented in multipl...

Design/Logic Flaw

The sell function of a smart contract implementation for Target Coin TGT, a tradable Ethereum ERC20 token, allows a potential trap that could be used to cause financial damage to the seller, because of overflow of the multiplication of its argument amount and a manipulable variable sellPrice, aka...

CVE-2018-12062

The sell function of a smart contract implementation for SwftCoin SWFTC, a tradable Ethereum ERC20 token, allows a potential trap that could be used to cause financial damage to the seller, because of overflow of the multiplication of its argument amount and a manipulable variable sellPrice, aka...

Buffer overflow

The sell function of a smart contract implementation for SwftCoin SWFTC, a tradable Ethereum ERC20 token, allows a potential trap that could be used to cause financial damage to the seller, because of overflow of the multiplication of its argument amount and a manipulable variable sellPrice, aka...

CVE-2018-11446

The buy function of a smart contract implementation for Gold Reward GRX, an Ethereum ERC20 token, allows a potential trap that could be used to cause financial damage to the buyer because of overflow of the multiplication of its argument amount and a manipulable variable buyPrice, aka the...

CVE-2018-12067

The sell function of a smart contract implementation for Substratum SUB, a tradable Ethereum ERC20 token, allows a potential trap that could be used to cause financial damage to the seller, because of overflow of the multiplication of its argument amount and a manipulable variable sellPrice, aka...

CVE-2018-12068

The sell function of a smart contract implementation for Target Coin TGT, a tradable Ethereum ERC20 token, allows a potential trap that could be used to cause financial damage to the seller, because of overflow of the multiplication of its argument amount and a manipulable variable sellPrice, aka...