A malicious user can potentially escape liquidation by creating a dust amount position and trigger the liquidation by themself

Handle WatchPug Vulnerability details In the current implementation, a liquidated position can be used for depositing and borrowing again. However, if there is a liquidation auction ongoing, even if the position is now liquidatable, the call of triggerLiquidation will still fail. The liquidator...

orlandoestateauction.com Improper Access Control vulnerability OBB-2207238

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...

silentauctionpro.com Cross Site Scripting vulnerability OBB-2160175

Following the coordinated and responsible vulnerability disclosure guidelines of the ISO 29147 standard, Open Bug Bounty has: &nbsp&nbsp&nbsp&nbsp&nbsp&nbspa. verified the vulnerability and confirmed its existence; &nbsp&nbsp&nbsp&nbsp&nbsp&nbspb. notified the website operator about its existence...

If newRatio > ibRatio after a settlement the protocol could lose its funds.

Handle tensors Vulnerability details Suppose that after a certain settleAuction call we have that newRatio ibRatio. I don't see any reason why this couldn't be possible, going through the math and solving for this condition we can see that: if b ibRatio then newRatio ibRatio assuming...

Auction bonder can steal user funds if bond block is high enough

Handle kenzo Vulnerability details After an auction has started, as time passes and according to the bondBlock, newRatio which starts at 2ibRatio gets smaller and smaller and therefore less and less tokens need to remain in the basket. This is not capped, and after a while, newRatio can become...

Setting Factory.bondPercentDiv to zero cause Denial of Service in Auction.bondForRebalance()

Handle pants Vulnerability details The function Factory.setBondPercentDiv allows the owner to set the state variable Factory.bondPercentDiv to zero. Impact If Factory.bondPercentDiv equals zero then the function Auction.bondForRebalance will always revert due to a division by zero: bondAmount =...

Setting Factory.auctionDecrement to zero causes Denial of Service in Auction.settleAuction()

Handle pants Vulnerability details The function Factory.setAuctionDecrement allows the owner to set the state variable Factory.auctionDecrement to zero. Impact If Factory.auctionDecrement equals zero then the function Auction.settleAuction will always revert due to a division by zero: uint256 b =...

butler.sheriffsaleauction.ohio.gov Cross Site Scripting vulnerability OBB-2158957

Following the coordinated and responsible vulnerability disclosure guidelines of the ISO 29147 standard, Open Bug Bounty has: &nbsp&nbsp&nbsp&nbsp&nbsp&nbspa. verified the vulnerability and confirmed its existence; &nbsp&nbsp&nbsp&nbsp&nbsp&nbspb. notified the website operator about its existence...

bondBurn() Leads to Unrecoverable Tokens

Handle leastwood Vulnerability details Impact An auction bonder has a single day's worth of blocks to call settleAuction and perform the necessary rebalance. In the event this does not happen, any user is able to call bondBurn and have the bond burnt in its entirety. As a result, the basketTokens...

DDoS of rebalance

Handle goatbug Vulnerability details Impact Given a bondDiv of say 400, it requires 0.25% of a portfolios capital to perform a Ddos attack. Portfolio rebalancing is often a time sensitive task. New weights need to be put into place to take advantage of shifts in capital market expectations etc...

Auction multiplier set to zero

Handle goatbug Vulnerability details Impact function setAuctionMultiplieruint256 newAuctionMultiplier public override onlyOwner auctionMultiplier = newAuctionMultiplier; auction multiplier can be set to zero by factory owner. This would stop the auction settling, function would always revert...

Owner can steal all Basket funds during auction

Handle 0xsanson Vulnerability details Impact The owner of Factory contract can modify the values of auctionMultiplier and auctionDecrement at any time. During an auction, these values are used to calculate newRatio and thereby tokensNeeded: specifically, it's easy to set the factory parameters so...

lack of checks in Factory::setBondPercentDiv allow owner to prevent bonding in Auction::bondForRebalance()

Handle GalloDaSballo Vulnerability details Impact setBondPercentDiv has no checks for min and max Setting bondPercentDiv to 0 will cause Auction::bondForRebalance to revert This allows the owner to prevent bonding by setting the bondPercentDiv to 0 Recommended Mitigation Steps Refactor to functio...

Bounties payout will get stuck on publishing new index

Handle csanuragjain Vulnerability details Impact User funds will get stuck in case Auction is restarted via publishNewIndex Proof of Concept 1. Publisher publishes new index using publishNewIndex function of Basket.sol function publishNewIndexaddress memory tokens, uint256 memory weights...

PostAuctionLauncher can be manipulated by a caller other than the owner

Handle tensors Vulnerability details Impact A comment in the code asks whether it is safe to allow anyone to call PostAuctionLauncher, finalize. In the case that an attacker can get even a few wei of the auction token, it is not safe. Suppose an attacker somehow gets a small amount of the auction...

PostAuctionLauncher's liquidity provision can be exploited

Handle cmichel Vulnerability details The PostAuctionLauncher.finalize function takes the raised payment token amounts and uses previously provided auction token amounts to provide liquidity to a Sushiswap pool after an auction has successfully been finalized. It provides this liquidity at a...

CVE-2020-19766

The time check operation of PepeAuctionSale 1.0 can be rendered ineffective by assigning a large number to the duration variable, compromising access control to the application...

NFT Collector Tricked into Buying Fake Banksy

An attacker was apparently able to breach the site for famed street artist Banksy and sell a fake non-fungible token NFT of the artist’s work for more than $336,000. The fraudster has since returned the ill-gotten cash, less a “transaction fee.” But the incident has delivered an invaluable lesson...

Revil ransomware gang claims breaching US nuclear weapons contractor

By Deeba Ahmed The REvil ransomware gang have said that they will auction the data belonging to Sol Oriens, a US-based nuclear weapons contractor. This is a post from HackRead.com Read the original post: Revil ransomware gang claims breaching US nuclear weapons contractor...

Cyberpunk 2077 Hacked Data Circulating Online

New data from the February hack of CD Projekt Red, the videogame-development company behind Cyberpunk 2077 and the Witcher series, is circulating online. Earlier this year, the company suffered a ransomware attack in which a cyberattack group believed by some to be the HelloKitty gang “gained...