User funds can be locked in RToken contract for a long time

Lines of code Vulnerability details Impact Unnecessary delay on the first issuance will lock the first issuer's deposit and other following deposits. Proof of Concept Users can issue new RTokens by depositing the necessary collaterals. The protocol is designed to limit issuance by some rate and t...

Missing require statement for sellAmount in init() function leading to potential loss of funds.

Lines of code Vulnerability details Impact init function is missing a require statement to check if the input variable sellAmount is less than or equal to the contract's balance of sell tokens. This means that the contract is allowing the user to initiate an auction with a sell amount greater tha...

Real Furnace and StRSR addresses can be added to the Distributor

Lines of code Vulnerability details Impact RToken may be distributed to StRSR and frozen. RSR may be distributed to Furnace and frozen. Proof of Concept Both Furnace and StRSR are added to the destinations of Distributor in DistributorP1init: function initIMain main, RevenueShare calldata dist...

Bitzlato Crypto Exchange Founder Arrested for Aiding Cybercriminals

The U.S. Department of Justice DoJ on Wednesday announced the arrest of Anatoly Legkodymov aka Gandalf and Tolik, the cofounder of Hong Kong-registered cryptocurrency exchange Bitzlato, for allegedly processing $700 million in illicit funds. The 40-year-old Russian national, who was arrested in...

Bitzlato Crypto Exchange Founder Arrested for Aiding Cybercriminals

The U.S. Department of Justice DoJ on Wednesday announced the arrest of Anatoly Legkodymov aka Gandalf and Tolik, the cofounder of Hong Kong-registered cryptocurrency exchange Bitzlato, for allegedly processing $700 million in illicit funds. The 40-year-old Russian national, who was arrested in...

Wrong implementations in ERC4626RouterBase contract

Lines of code Vulnerability details The ERC4626RouterBase contract contains a set of functions that act as wrappers for a ERC4626 contract, providing a base periphery functionality around a ERC4626 vault. There are a number of different flaws in the wrapped implementations of mint, deposit,...

A malicious user can call transferWithdrawReserve() multiple times to modify s.withdrawReserve

Lines of code Vulnerability details Impact The function PublicVault.soltransferWithdrawReserve is meants to transfers funds from the PublicVault to the WithdrawProxy. However, this function has no access control, anyone can call it multiple times to modify the withdrawReserve value Proof of Conce...

Unrestricted ComptrollerInterface and InterestRateModel Contract Changes by Admin and "PendingAdmin" leading to Loss of Funds for Users

Lines of code Vulnerability details Impact / @notice Contract which oversees inter-cToken operations / ComptrollerInterface public comptroller; / @notice Model which tells what the current interest rate should be / InterestRateModel public interestRateModel; / @notice Administrator for this...

JumpRateModelV2 may return wrong values

Lines of code Vulnerability details JumpRateModelV2 may return wrong values Impact Solidity integer division might truncate. As a result, performing multiplication before division can sometimes avoid loss of precision. Vulnerability Details In general, this is a problem due to precision mostly if...

Admin should be able to refund or redeem the sanctioned users

Lines of code Vulnerability details Impact Sanctioned user's funds are locked Proof of Concept It is understood that the sanctioned users can not mint nor redeem because the functions requestMint and requestRedemption are protected by the modifier checkKYC. And it is also understood that the...

Loss of user funds when completing CASH redemptions

Lines of code Vulnerability details The function completeRedemptions present in the CashManager contract is used by the manager to complete redemptions requested by users and also to process refunds. function completeRedemptions address calldata redeemers, address calldata refundees, uint256...

Unrestricted ComptrollerInterface and InterestRateModel Contract Changes by Admin and PendingAdmin leading to Loss of Funds for Users

Lines of code Vulnerability details Impact // Maximum borrow rate that can ever be applied .0005% / block uint internal constant borrowRateMaxMantissa = 0.0005e16; // Maximum fraction of interest that can be set aside for reserves uint internal constant reserveFactorMaxMantissa = 1e18; The...

Admin account can lose user's collateral

Lines of code Vulnerability details Impact This is high risk because funds can be send to the wrong address. Proof of Concept Tools Used VSCode, Slither Recommended Mitigation Steps Recommend considering the use of msg.sender in completeRedemptions and processRedemption --- The text was updated...

Improper Authorization

@uniswap/universal-router is vulnerable to Improper Authorization. The vulnerability exists due to the mishandling of reentrancy, which allows an attacker to steal funds...

Frontrunning deployCounterFactualWallet

Lines of code Vulnerability details entryPoint and handler are not included in the salt, so a front-running attack could be possible for the same owner and index same counterfactual address with malicious entryPoint and handler DoS/freeze funds only entryPoint can be updated, not handler. Add to...

Proxy creation isn't check in deployWallet function of SmartAccountFactory contract

Lines of code Vulnerability details The deployWallet function present in the SmartAccountFactory contract deploys a new wallet by creating a Proxy that points to a base implementation using assembly. function deployWalletaddress owner, address entryPoint, address handler public returnsaddress pro...

SmartAccount implementation contract can be destroyed by anyone

Lines of code Vulnerability details SmartAccount implementation contract can be destroyed by anyone Impact Locking all user's funds forever due to DoS for all functions. Proof of Concept There are 2 main reasons for this vulnerability: 1. The expected behaviour of interacting with the...

Attacker can take control over each SmartAccount proxy and steal all users' funds

Lines of code Vulnerability details Attacker can take control over each SmartAccount proxy and steal all users' funds Impact All users' funds can be stolen by a single attacker tx gas cost only Proof of Concept There are 2 main reasons for this vulnerability: The .checkSignatures in...

Destruction of the SmartAccount implementation

Lines of code Vulnerability details Description If the SmartAccount implementation contract is not initialized, it can be destroyed using the following attack scenario: Initialize the SmartAccount implementation contract using the init function. Execute a transaction that contains a single...

Bluebottle Group Continues Attacks on Banks in Francophone Africa

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary Bluebottle is a cybercrime group that has been targeting banks in French-speaking countries in Africa. The group uses a variety of tactics, including living off the land, dual-use tools, and commodity...