U.S. Warns Against North Korean Hackers Posing as IT Freelancers

Highly skilled software and mobile app developers from the Democratic People's Republic of Korea DPRK are posing as "non-DPRK nationals" in hopes of landing freelance employment in an attempt to enable the regime's malicious cyber intrusions. That's according to a joint advisory from the U.S...

New Sophisticated Malware

Mandiant is reporting on a new botnet. The group, which security firm Mandiant is calling UNC3524, has spent the past 18 months burrowing into victims networks with unusual stealth. In cases where the group is ejected, it wastes no time reinfecting the victim environment and picking up where thin...

[WP-H22] Bad debts should not continue to accrue interest

Lines of code Vulnerability details uint256 debtAmount = getDebtAmountnftIndex; require debtAmount = getLiquidationLimitnftIndex, "positionnotliquidatable" ; // burn all payment stablecoin.burnFrommsg.sender, debtAmount; In the current design/implementation, the liquidator must fully repay the...

setDebtInterestApr() doesn't accrue interest before changing it

Lines of code Vulnerability details Impact Wrong interest can be charged if interest is changed without calling accrue Proof of Concept The function setDebtInterestApr updates the interest charged on debt without calling accrue before to compute previous interests. If someone takes debt at 2% and...

Division before Multiplication May Result In No Interest Being Accrued

Lines of code Vulnerability details Impact There is a division before multiplication bug in NFTVault.calculateAdditionalInterest which may result in no interesting being accrued and will have significant rounding issues for tokens with small decimal places. This issue occurs since an intermediate...

Take other lender loanTicket without improving any of the loan conditions

Lines of code Vulnerability details Impact Take other lender loanTicket without improving any of the loan conditions Proof of Concept The bug is in NftLoanFacilliator.sol in the function lend link1. && previousInterestRate - previousInterestRate requiredImprovementRate / SCALAR = interestRate, fo...

Can force borrower to pay huge interest

Lines of code Vulnerability details Impact The loan amount is used as a min loan amount. It can be matched as high as possible realistically up to the collateral NFT's worth to remain in profit and the borrower has to pay interest on the entire amount instead of just on the desired loan amount wh...

Lack of Limit on amount Allows Borrowers To Be Extorted For Interest Payments

Lines of code Vulnerability details Impact There is on limit on the upper bounds on the amount a lender may send to a borrower. Borrowers will then be forced to pay interest and facilitators fee on the full amount loaned. The impact for a borrower is that they may be forced to repay significantly...

loan amount is unbounded

Lines of code Vulnerability details The lender of a loan can lend an unbounded amount, which the borrower might not be able to pay its interest rate. Proof of Concept Alice wants to borrow 1000 USDC, she creates a loan with a 10% interest rate, and expects to pay 100 USDC after a year. Bob lends...

Allowing the lender to finalize a loan with an arbitrarily high amount can cause the borrower to default

Lines of code Vulnerability details Impact A borrower specifies a minimum loan amount. The lender can provide a loan as high as they want. As long as it's higher than the minimum value. A value too high might cause the borrower to not be able to pay it back. A higher loan means a higher facilitat...

NFTLoanFacilitator: Insufficient granularity allows for same-term loans to be accepted

Lines of code Vulnerability details Details & Impact It is possible for the calculated interest rate improvement to be zero if the existing interest rate is low enough ≤ 0.9% with 10% improvement rate. In such cases, lenders can compete to continually buyout each other with the same terms. The...

Borrower may be forced to pay more interest than he expected

Lines of code Vulnerability details Impact Creating a loan with a minimum amount, instead of a fixed/maximum amount may lead to forcing the borrower to pay more interest than he was expecting or hoping for. The user never knows the potential maximum amount he will need to pay, until the loan is...

[WP-M7] Wrong design/implementation of interest accrued to the borrowers can make the lenders to end up getting much fewer amount of interest than expected

Lines of code Vulnerability details function calculateInterest uint256 principal, uint256 borrowRate, uint256 timeElapsed internal pure returns uint256 return principal.mulborrowRate.multimeElapsed.divYEARINSECONDS.divSCALINGFACTOR; function updateStateOnPrincipalChangeuint256 id, uint256...

Interest accrued could be zero for small decimal tokens

Lines of code Vulnerability details Details & Impact Interest is calculated as principal.mulborrowRate.multimeElapsed.divYEARINSECONDS.divSCALINGFACTOR; It is possible for the calculated interest to be zero for principal tokens with small decimals, such as EURS 2 decimals. Accumulated interest ca...

CVE-2017-20012

A vulnerability classified as problematic has been found in WEKA INTEREST Security Scanner up to 1.8. Affected is Stresstest Scheme Handler which leads to a denial of service. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used. NOTE: This...

CVE-2017-20014

A vulnerability, which was classified as problematic, has been found in WEKA INTEREST Security Scanner up to 1.8. Affected by this issue is some unknown functionality of the component Webspider. The manipulation with an unknown input leads to denial of service. Local access is required to approac...

CVE-2017-20012

A vulnerability classified as problematic has been found in WEKA INTEREST Security Scanner up to 1.8. Affected is Stresstest Scheme Handler which leads to a denial of service. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used. NOTE: This...

CVE-2017-20013

A vulnerability classified as problematic was found in WEKA INTEREST Security Scanner up to 1.8. Affected by this vulnerability is the Stresstest Configuration Handler. A manipulation leads to a local denial of service. The exploit has been disclosed to the public and may be used. NOTE: This...

CVE-2017-20016

A vulnerability has been found in WEKA INTEREST Security Scanner up to 1.8 and classified as problematic. This vulnerability affects unknown code of the component Portscan. The manipulation with an unknown input leads to denial of service. The attack can be initiated remotely. The exploit has bee...

CVE-2017-20015

A vulnerability, which was classified as problematic, was found in WEKA INTEREST Security Scanner up to 1.8. This affects an unknown part of the component LAN Viewer. The manipulation with an unknown input leads to denial of service. Attacking locally is a requirement. The exploit has been...