_movingAverage may drift

Lines of code Vulnerability details Impact The moving average is critical for the RBS-system. Its current calculation allows for compounding drift, randomly as well as maliciously, detaching from the true value, which invalidates the entire system, including affecting the way funds are handled...

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...

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...

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;...

[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:...

CVE-2021-41615: Insufficient Entropy

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:...

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...

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...

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...

_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...

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...

CVE-2022-31198: Incorrect Calculation

OpenZeppelin Contracts is a library for secure smart contract development. This issue concerns instances of Governor that use the module GovernorVotesQuorumFraction, a mechanism that determines quorum requirements as a percentage of the voting token's total supply. In affected instances, when a...

PT-2022-32486

Name of the Vulnerable Software and Affected Versions Linux Kernel versions v5.16 through v5.18.9 Description A regression in the data digest calculation was discovered. The actual impact and attack plausibility have not yet been proven. Recommendations For Linux Kernel versions v5.16 through...

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...

PT-2025-8525

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to the version that includes the fix for the dma queue left shift overflow issue Description A left shift overflow issue has been identified in the Linux kernel when the queue number is greater than 4, due to a 32-b...

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...

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...