There is no validation of DynamicQuorumParams.quorumCoefficient.

Lines of code Vulnerability details Impact There is no validation of DynamicQuorumParams.quorumCoefficient and any value can be used during this calculation. Proof of Concept As we can see from the comment, quorumCoefficient should be an integer with 6 decimals but there is no require for this...

Possible frontrunning attack in Vault.

Lines of code Vulnerability details Proof of Concept The project uses VaultAccount.sol library for math implementations. To determine the number of shares to mint to a depositor, shares = amount total.shares / total.amount is used in toShares function VaultAccount.sol's toShares calculation;...

interest rate calculate vulnerability

Lines of code Vulnerability details Impact function addinterst uses the interest rate immediately generated by the current block first transaction calculated,it will cause some interest lose. Proof of Concepmt function addinterst uses the interest rate immediately generated by the current block t...

[M1] Incorrect amount of gas sent in _distributeFunds

Lines of code Vulnerability details Impact In case recipients consume more gas than expected the transaction could revert or cost can be too high. Proof of Concept According to the definition of the variable SENDVALUEGASLIMITMULTIPLERECIPIENTS you intend to use all that gas for all recipients. /...

CVE-2021-41615

websda.c in GoAhead WebServer 2.1.8 has insufficient nonce entropy because the nonce calculation relies on the hardcoded onceuponatimeinparadise value, which does not follow the secret-data guideline for HTTP Digest Access Authentication in RFC 7616 section 3.3 or RFC 2617 section 3.2.1. NOTE:...

Calculating project cost is vulnerable to reaching block gas-limit

Lines of code Vulnerability details Impact The function Project.projectCost calculates the project costs by calculating the sum of all project task costs. However, due to the unbound for loop, iterating over a potentially large amount of project tasks, this function can potentially DoS due to...

Unclaimed interest is 0 within 24 hours since the last time that loan is lent or interest is earned for project

Lines of code Vulnerability details Impact When returnToLender is called, the unclaimed interest is calculated as below. uint256 noOfDays = block.timestamp - communityProject.lastTimestamp / 86400; // 246060 /// Interest formula = principal APR days / 365 1000 // prettier-ignore uint256...

Lent principal includes lender fee

Lines of code Vulnerability details Impact A community owner is able to lend funds to a project by calling the function Community.lendToProject. Lending requires the lender to pay a lenderFee, a percentage of the fee a lender has to pay to the HomeFi system. However, the current implementation...

_postRebalanceChecks doens't properly account for flashloan fees

Lines of code Vulnerability details Impact Rebalances that should fall outside of variance requirement are approved Proof of Concept MIMOAutoBalance.solrebalance and MIMOManagedRebalance.solrebalance pass flData.amount into isVaultVariationAllowed. However, in MIMORebalance.solrebalanceOperation...

Community can lose interest because interest was calculated by days instead of seconds

Lines of code Vulnerability details Impact Community's owner lose amount of interest from project up to half of total interest Proof of concept When builder repay any loan amount by function repayLender or community call function lendToProject, function claimInterest in contract Community will be...

In Community.sol, the interest calculation formula is not correct.

Lines of code Vulnerability details Impact Currently, it calculates interest using the number of days and builders would pay nearly half or less interest than they should. So lenders wouldn't get the interest as expected and it means builders can steal the interest from lenders. Proof of Concept ...

Malicious relayer can execute stale transactions by spoofing validator weights/threshold in proof

Lines of code Vulnerability details Impact Transaction is submit with wrong validator information, allowing stale commands to be executed Proof of Concept This vulnerability is a result of allowing msg.sender to provide key information identifying operators. First we need to understand how the...

USN-5523-1 tiff vulnerabilities

It was discovered that LibTIFF was not properly performing checks to guarantee that allocated memory space existed, which could lead to a NULL pointer dereference via a specially crafted file. An attacker could possibly use this issue to cause a denial of service. CVE-2022-0907, CVE-2022-0908 It...

Incorrect payout calculation due to a division before multiplication

Lines of code Vulnerability details Impact Reverse dutch auction price is calculated incorrectly Proof of Concept In the function calcPayout which calculates reverse dutch auction according to the formula inkOut = artIn / totalArt totalInk p + 1 - p t t is always zero because you divide before...

Incorrect amount of Collateral moves for Auction

Lines of code Vulnerability details Impact It was observed that the debt and collateral which moves for Auction is calculated incorrectly. In case where line.proportion is set to small value, chances are art will become lower than min debt. This causes whole collateral to go for auction, which wa...

Liquidator cut is calculated incorrectly

Lines of code Vulnerability details Impact User can call payBase function to pay debt in return for collateral. But due to incorrect calculation User will obtain lesser collateral than what he should actually receive causing immediate permanent loss Proof of Concept 1. User calls payBase function...

VaultTracker miscalculates compounding interest

Lines of code Vulnerability details Impact VaultTracker neglect previously accrued interest while attempting to calculate new interest. This causes nToken holders to receive less yield than they should. All functions within VaultTracker that calculate interest are affected, including addNotional,...

Fee-on-transfer tokens not supported

Lines of code Vulnerability details Impact Incorrect accounting will lead to wrong assets distribution and some users gaining more and some users getting fewer tokens than they should. Proof of Concept Functions rely on user input to calculate distribution of tokens instead of relying on the...

InsightVM Release Update: Let’s Focus on Remediation for Just a Minute

Think of an endeavor in your life where your success is entirely dependent on the success of others. What’s the first example that comes to mind? It’s common in team sports – a quarterback and a wide receiver, a fullback and their goalie, an equestrian and their horse. What if you narrow the scop...

cash share amount calculated incorrectly

Lines of code Vulnerability details Impact When a buyout is successful, token owners can cash out their fractional tokens for ETH. The amount of ETH cashed out buyoutShare is calculated like this L268: uint256 buyoutShare = tokenBalance ethBalance / totalSupply + tokenBalance; with tokenBalance t...