User can call liquidate() and steal all collateral due to arbitrary router call

Lines of code Vulnerability details Impact A malicious user is able to steal all collateral of an unhealthy position in PARMinerV2.sol. The code for the liquidate function is written so that the following steps are followed: User calls PARMinerV2.liquidate PARMinerV2 performs the liquidation with...

Usage of deprecated transfer to send ETH in VaultsCore.sol

Lines of code Vulnerability details Impact Smart contract is not robust as it depends on gas cost so it can fail in some circumstances. PoC The usage of transfer to send ETH is widely considered a bad practice as it limits the gas usage to 2300. msg.sender.transferamount; @Audit deprecated transf...

VaultCore's withdrawETH uses transfer function, which can be unusable for some smart contracts

Lines of code Vulnerability details Impact When a user wishes to withdraw their collateral from a WETH vault, the funds are returned to the user with msg.sender.transfer. Using transfer is not recommended anymore, especially for critical operations like withdrawing collateral from a vault as it...

Use Victims Collateral by Frontrunning

Lines of code Vulnerability details Issue: the require statement in requestLoan doesn't check if the one that provides the collateral is the same address that requests the loan Consequences: If an NFT is transferred to the contract by itself, either on accident or preparing to call requestLoan wi...

Reentrancy in removeCollateral() / requestLoan()

Lines of code Vulnerability details Impact There is a potential reentrancy bug they may exist between requestLoan and removeCollateral that allows a user to have requested a loan while maintaining ownership of the collateral. This bug is present in both NFTPair and NFTPairWithOracle. The reentran...

ASB-A-213172319

In various functions of the USB gadget subsystem, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation...

An attacker can make users' funds get "locked" in the contract (the owner can get them out and transfer them back to the users)

Lines of code Vulnerability details Impact If a user manages to be the first user to deposit into the contract, he will be minted shares and he can steal all the other users' deposits. Proof of Concept 1. The attacker deposits 1 token into the contract and 1 share is minted to him totalSupply and...

Inconsistent balance when supplying fee-on transfer tokens

Lines of code Vulnerability details Impact There are ERC20 tokens that may make certain customizations to their ERC20 contracts. One type of these tokens is deflationary tokens that charge a certain fee for every transfer or transferFrom. Proof of Concept AaveV3YieldSource.solL237 Tools Used Manu...

Possible to steal collateral during a reentrant collateral transfer

Lines of code Vulnerability details Impact In NFTPair.sol218 an ERC-721 transfer occurs. Anyone who gains execution during this transfer after the owner of the token is changed can steal the token transferred. Note that it will be applicable only if !skim. Since the exploit makes assumptions abou...

Fee-on-transfer tokens will mess up the internal accounting of the contract

Lines of code Vulnerability details Impact If the underlying token is a fee-on-transfer token, the amount of tokens that will be transferred to the contract isn't equal to the amount the supplyTokenTo tries to supply to the aave protocol, so the function will revert because the contract won't hav...

ASB-A-205996517

In mPreference of DefaultUsbConfigurationPreferenceController.java, there is a possible way to enable file transfer mode due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitati...

GHSA-PQR5-9V2J-44XG Apache Tomcat DoS via Malicious Get Request

Tomcat 4.0 through 4.1.12, using modjk 1.2.1 module on Apache 1.3 through 1.3.27, allows remote attackers to cause a denial of service desynchronized communications via an HTTP GET request with a Transfer-Encoding chunked field with invalid values...

Unsupported fee-on-transfer tokens

Low-01 Unsupported fee-on-transfer tokens Impact When underlyingAssetAddress is fee-on-transfer tokens, in the supplyTokenTo function, the actual amount of tokens received by the contract will be less than the depositAmount, so that the subsequent pool.supply function will fail to execute. Proof ...

_amount requires to be updated to contract balance increase (4)

Lines of code Vulnerability details Impact Every time transferFrom or transfer function in ERC20 standard is called there is a possibility that underlying smart contract did not transfer the exact amount entered. It is required to find out contract balance increase/decrease after the transfer. Th...

Wondershare 安全漏洞

Wondershare is a data transfer tool. A security vulnerability exists in the latest version of Wondershare prior to 2021-12-06 that stems from incorrect access control. An attacker can use this vulnerability to send manually crafted packets to ElevationService.exe and execute arbitrary code withou...

depositAmount requires to be updated to contract balance increase (6)

Lines of code Vulnerability details Impact Every time transferFrom or transfer function in ERC20 standard is called there is a possibility that underlying smart contract did not transfer the exact amount entered. It is required to find out contract balance increase/decrease after the transfer. Th...

withdrawFees() function shoud require to address to not be zero

Lines of code Vulnerability details Impact withdrawFees don't check that to address is not zero and send fee to the address without any check that confirms admin has set the address. bentoBox don't accept transferring to zero address, otherwise this could be high risk Proof of Concept As you can...

Function recoverERC20 in StakingRewards allows an owner to transfer out any token except stakingToken

Judge @GalloDaSballo has assessed the 1st item in QA Report 254 as Medium risk. The relevant finding follows: … Function recoverERC20 in StakingRewards allows an owner to transfer out any token except stakingToken. I see 2 problems with this: 1. It should also forbid transferring of rewardsToken,...

Lack of require in redeemToken could produce token loses

Lines of code Vulnerability details Impact Lack of require in redeemToken could produce token loses. Proof of Concept In the method redeemToken the user set the expected redeemAmount, it will compute the expected shares to burn, and after it, it will transfer the amout according the redeemAmount...

amount requires to be updated to contract balance increase (5)

Lines of code Vulnerability details Impact Every time transferFrom or transfer function in ERC20 standard is called there is a possibility that underlying smart contract did not transfer the exact amount entered. It is required to find out contract balance increase/decrease after the transfer. Th...