Refinalization with theft of funds from other auctions

Lines of code Vulnerability details Vulnerability details Description There is a finalize function in the SizeSealed smart contract. The function traverses the array of the bids sorted by price descending. There is a prevention of the refinalization by the modifier atStateidToAuctionauctionId,...

Use of abi.encodePacked on SizeSealed.computeMessage can cause auctions to never finalize

Lines of code Vulnerability details Impact The usage of abi.encodePacked on the SizeSealed.computeMessage function might cause an incorrect packing of baseAmount and the random salt for some specific combinations of bid/salt, which will cause SizeSealed.finalize to always revert with...

Any use of fee-on-transfer tokens as quote tokens in auctions will result in freeze or loss of funds for users.

Lines of code Vulnerability details Description SIZE auctions do not support fee-on-transfer tokens. The platform rejects taxed baseToken during createAuction: // Passes https://github.com/transmissions11/solmate/blob/main/src/utils/SafeTransferLib.solL9 // Transfer base tokens to auction contrac...

Multiple auction can run on same vault - Collateral loss

Lines of code Vulnerability details Impact Due to insufficient checks, it is possible to run 2 auctions at same time. This can lead to loss of collateral for this vault as collateral quantity placed for auction will double Proof of Concept 1. User starts auction on vault id 1 which transfer...

auctions-art.cz Cross Site Scripting vulnerability OBB-2744408

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...

backstageauctions.com Cross Site Scripting vulnerability OBB-2683579

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...

Users Can Lock Funds by Backing Out of an Auction

Lines of code Vulnerability details Impact The createReserveAuction function allows users to create duplicate auctions with the same NFT but different auctionIds. As a result, a user could back out of an active auction by creating and then cancelling a duplicate auction. This leads to locked user...

NFT owner can create multiple auctions

Lines of code Vulnerability details Impact NFT owner can permanently lock funds of bidders. Proof of concept Alice the attacker calls createReserveAuction, and creates one like normal. let this be auction id 1. Alice calls createReserveAuction again, before any user has placed a bid this is easy ...

salvageworldauctions.com Cross Site Scripting vulnerability OBB-2218220

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...

potteriesauctions.com Cross Site Scripting vulnerability OBB-2214613

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...

Bonding mechanism allows malicious user to DOS auctions

Handle kenzo Vulnerability details A malicious user can listen to the mempool and immediately bond when an auction starts, without aim of settling the auction. As no one can cancel his bond in less than 24h, this will freeze user funds and auction settlement for 24h until his bond is burned and t...

Trying to use timestamps with blocknumbers

Handle goatbug Vulnerability details Impact requirebondTimestamp + ONEDAY block.number; There are require statements comparing timestamps to blocknumbers. We cannot assume one block per second, this code would not work on different chains where block times radically differ. The effect is having...

jacksonsonlineauctions.com Cross Site Scripting vulnerability OBB-1412989

Following 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...

parkvillageauctions.co.za Cross Site Scripting vulnerability OBB-1394449

Following 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...

Sodinokibi ransomware gang auctions off stolen data

Is it legal to buy stolen data from criminals? In most countries the answer would be no. But will it lead to a penalty or a fine? That is a different question and I’m afraid some companies and organizations will be inclined to seriously consider the last question even when they know the answer to...

vasari-auctions.com Cross Site Scripting vulnerability

Open Bug Bounty ID: OBB-1181073 Following 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...

irishwhiskeyauctions.ie Cross Site Scripting vulnerability

Open Bug Bounty ID: OBB-1151926 Security Researcher C0wnuts Helped patch 7 vulnerabilities Received 0 Coordinated Disclosure badges , found a security vulnerability affecting irishwhiskeyauctions.ie website and its users. Following coordinated and responsible vulnerability disclosure guidelines o...

assetauctionsgroup.com XSS vulnerability

Open Bug Bounty ID: OBB-716655 Description| Value ---|--- Affected Website:| assetauctionsgroup.com Open Bug Bounty Program:| Create your bounty program now. It's open and free. Vulnerable Application:| hidden until disclosure Vulnerability Type:| XSS Cross Site Scripting / CWE-79 CVSSv3 Score:|...

pba-auctions.com XSS vulnerability

Open Bug Bounty ID: OBB-641322 Description| Value ---|--- Affected Website:| pba-auctions.com Open Bug Bounty Program:| Create your bounty program now. It's open and free. Vulnerable Application:| Custom Code Vulnerability Type:| XSS Cross Site Scripting / CWE-79 CVSSv3 Score:| 6.1...

newarkmotorauctions.co.uk XSS vulnerability

Open Bug Bounty ID: OBB-558949 Description| Value ---|--- Affected Website:| newarkmotorauctions.co.uk Open Bug Bounty Program:| Create your bounty program now. It's open and free. Vulnerable Application:| Custom Code Vulnerability Type:| XSS Cross Site Scripting / CWE-79 CVSSv3 Score:| 6.1...