346 matches found
Error in trade accumulated interest calculation
Lines of code Vulnerability details Impact The trade's accumulated interest may result smaller than expected when long open interest is zero. Proof of Concept function tradesuint id public view returns Trade memory ... int256 pendingFunding; if trade.direction && longOi...... 0 pendingFunding =...
Android Malware Campaign Leverages Money-Lending Apps to Blackmail Victims
A previously undocumented Android malware campaign has been observed leveraging money-lending apps to blackmail victims into paying up with personal information stolen from their devices. Mobile security company Zimperium dubbed the activity MoneyMonger, pointing out the use of the cross-platform...
Protocol is not able to account for baseTokens generating yield
Lines of code Vulnerability details Impact The protocol's logic is based on the assumption that, while deposited, the underlying baseTokens will generate yield, which accrues to the Traders holding Collateral Tokens. However, there is no mechanism in Collateral.sol to allow it to account for this...
Incompatibility With Rebasing/Deflationary/Inflationary tokens
Lines of code Vulnerability details Impact The Maverick AMM does not appear to support rebasing/deflationary/inflationary tokens whose balance changes during transfers or over time. The necessary checks include at least verifying the amount of tokens transferred to contracts before and after the...
Upgraded Q -> M from #366 [1670366212013]
Judge has assessed an item in Issue 366 as M risk. The relevant finding follows: 1. Not support fee-on-transfer tokens Every tokens of credit line will be transferred from lender to LineOfCredit first, then to borrower later. These 2-transfer steps will make the tax for some fee-on-transfer token...
genuineinterest.org Cross Site Scripting vulnerability OBB-3064416
Following the coordinated and responsible vulnerability disclosure guidelines of the ISO 29147 standard, Open Bug Bounty has: a. verified the vulnerability and confirmed its existence; b. notified the website operator about its existence. Technical details of the vulnerability are currently hidde...
useAndRepay function can be used to underflow the principal debt of a credit
Lines of code Vulnerability details The function useAndRepay present in the SpigotedLine contract doesn't check that the amount is within the debt limit and can be used by a malicious lender to underflow the principal variable and manipulate the debt of a credit. Impact A malicious lender can use...
Repayment/Burn of due tokens is not enforced
Lines of code Vulnerability details Impact Repayment/burning of due DBR tokens is currently not enforced, which enables a user to simply switch addresses to extend their borrowing duration, which eventually leads to almost 0% interest paid if performed repeatedly, breaking one of the core...
No accured interest charge and decrese operation in DBR
Lines of code Vulnerability details Impact although DBR record the accured interest when it increasing, but there is no other operation on it, so if a user borrowed from the protocol, there is no interest chargement of it, and on top of that, the deficitOf function represent the user's debt...
no interest calculation charging & lp provider reward in market contract
Lines of code Vulnerability details Impact there is no accrued interest charging for the borrower' debt, borrower at the same time cannot decrease their accured interestthis bug's detail is present in my previous finding, and there is also no reward for those lp provider who deposit their token i...
5 Things Rapid7 Looks for in a BDR, and How We Spot Them
Every successful organization has a great salesforce. At Rapid7, the Business Development Representative BDR Program is a huge source of talent for our sales organization. Some of our most successful salespeople come from the program. So, what is it? The BDR Program at Rapid7 is an entry-level...
FBI Warns Investors to Take Precautions with Decentralized Financial Platforms
The U.S. Federal Bureau of Investigation FBI on Monday warned of cyber criminals increasingly exploiting flaws in decentralized finance DeFi platforms to plunder cryptocurrency. "The FBI has observed cyber criminals exploiting vulnerabilities in the smart contracts governing DeFi platforms to ste...
Interest rate can be gamed
Lines of code Vulnerability details Impact A lender may borrow to increase interest rate, and as such game the bank. Proof of Concept Suppose a lender borrows half of the amount he has lent. If by doing so he increases the utilization such that the interest rate more than doubles which may be...
LinearInterestRate mode has the risk of drastic fluctuation of interestRate by flash borrow attack, make borrower pay more interest
Lines of code Vulnerability details Impact In LinearInterestRate mode, the minInterest can be as low as MININT=0, and the maxInterest can be as high as MAXINT=146248508681. In getNewRate function, the newRate is determined by utilization. If utilization=1e5, the interestRate can be MAXINT. There...
Interest rates will not compound correctly if seldom called
Lines of code Vulnerability details Impact While interest rates for second-by-second compounding are calculated correctly they are then not call every second, which leads to incorrect amounts of interest being calculated. This may have implications for the entire stability of the coin as the...
Builder can pay only half of the agreed upon interest on his debt by exploiting daily interest accrual
Lines of code Vulnerability details Impact Project bulder can get away with paying the community owner only half of the agreed upon interest on his debt. Theoretically, the community owner can defend himself from this exploit, if he's aware of this bug, but chances are that he won’t be aware. Pro...
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...
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 ...
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...
